which statement describes a chemical property of sodium?

Answers

Answer 1

Answer:

It is a soft metal, reactive and with a low melting point. It has an atomic weight of 23 grams. Sodium is a good conductor of electricity due to the presence of delocalized electrons in its metallic structure. It reacts vigorously with water to produce sodium hydroxide and hydrogen

Explanation:

Answer 2

Answer:

Most important of all the alkaline metals. It reacts quickly with water. Snow and ice too.


Related Questions

A 6-year-old African boy who had recently immigrated to the United States from Liberia was taken to the emergency department because of a high fever. Physical examination showed bilateral syndactyly and contractures of the fingers. His temperature was 100 degrees F. A CBC was ordered.

Laboratory data: RBC 2.1 X 1012/L Hematocrit 18% Hemoglobin 6.0 g/dL WBC 1.31 x 109/L Platelets 45,000 Questions:

1. What do the laboratory results suggest?

2. Is the boy’s physical appearance suggestive of a hematological abnormality?

3. What is the cause of Fanconi’s anemia?

4. What innovative treatments are available to patients with Fanconi’s anemia?

Answers

The laboratory results suggest that the 6-year-old African boy has anemia and thrombocytopenia (low platelet count).

The combination of bilateral syndactyly (fusion of fingers) and contractures of the fingers, along with the laboratory results, suggests that the boy may be experiencing complications related to sickle cell disease (SCD). SCD is a genetic disorder characterized by abnormal hemoglobin, known as hemoglobin S, which causes red blood cells to become sickle-shaped and less flexible.

The anemia seen in the laboratory results is consistent with SCD due to the chronic destruction of the sickle-shaped red blood cells and their shortened lifespan. The low platelet count could be a result of the ongoing hemolysis (breakdown of red blood cells) and/or the trapping of platelets in small blood vessels due to vaso-occlusive events.

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State the name of the nuclear process that occurs in Phecda that produces the energy of this star by combining lighter elements into heavier elements.​

Answers

Nuclear fusion is the process that occurs in Phecda that produces the energy of this star by combining lighter elements into heavier elements.​

What is Nuclear fusion?

This is the process in which two or more light nuclei fuse together to form a heavier nucleus.

This reaction generates a large amount of energy which serves as a source of energy for stars.

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WILL MAKE BRAINLIST IF CORRECT HELP FAST PLEASE 20 POINTS!!!! Which soil is made of 25% sand 25% silt and 50% clay?

Answers

Answer: loam sandy

Explanation: sandy loam is a type of story is used for gardening this we were typing is normally made up of sand along with getting them out of silt and clay

The soil which is made up of 25% sand, 25% silt, and 50% clay is known as loamy soil.

What are the characteristics of soil?

The characteristics of soil are as follows:

Soil is typically composed of organic matter and small inorganic matter.It is significantly composed of minute rock fragments and is the roughest in texture. It possesses a broad characteristic of texture, structure, porosity, chemistry, and color. It generally consists of air, water, and moisture.

According to the context of this question, the loamy soil significantly consists of 25% sand, 25% silt, and 50% clay. This is because it is the only soil that possesses a mixture of sand, clay, and silt.

Apart from this, it also consists of 50% pore spaces and water. The presence of an equal amount of soil particles of various sizes imparts enough pores to loamy soil to facilitate water drainage.

Therefore, the soil which is made up of 25% sand, 25% silt, and 50% clay is known as loamy soil.

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What vital sign can you not tell from an ekg that you are making an assumption about?

Answers

The vital sign that cannot be determined from an EKG (electrocardiogram) is blood pressure.

An electrocardiogram (EKG) is a diagnostic tool used to measure and record the electrical activity of the heart. It provides information about the heart's rhythm and electrical conduction but does not directly measure blood pressure.

Blood pressure is a vital sign that represents the force exerted by the blood against the walls of the arteries. It consists of two values: systolic pressure (the pressure when the heart contracts) and diastolic pressure (the pressure when the heart is at rest between beats).

Blood pressure is typically measured using a sphygmomanometer, which involves placing a cuff around the arm and listening for the sounds of blood flow (Korotkoff sounds).

While an EKG can provide valuable information about the heart's electrical activity and detect abnormalities such as arrhythmias, it does not directly provide information about blood pressure. Measuring blood pressure requires a separate procedure using a different instrument.

Therefore, an assumption must be made when trying to determine blood pressure solely based on an EKG reading, as the two are distinct and independent vital signs.

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A serious lack of 02 typically leads to the following in humans?
A) Alcoholic fermentation B) Homolactic fermentation
C) Generation of optimal ATP levels
D) All of the above
E) Both B and C are correct

Answers

E) Both B and C are correct.

A serious lack of oxygen usually leads to anaerobic respiration in humans, where cells switch from aerobic respiration (using oxygen) to anaerobic respiration (not using oxygen). This can lead to homolactic fermentation, where glucose is converted to lactic acid, and the generation of ATP through this process is suboptimal compared to aerobic respiration. The production of lactic acid leads to muscle fatigue and soreness. Therefore, options B and C are correct. Option A (alcoholic fermentation) is not relevant to human cells.

A serious lack of O2 typically leads to homolactic fermentation in humans. Homolactic fermentation is a process that occurs in the absence of oxygen, during which glucose is converted to lactate.

This process occurs in some microorganisms, including some types of bacteria and yeast, as well as in muscle cells of animals when there is insufficient oxygen available to support aerobic respiration. The homolactic fermentation pathway allows these cells to generate ATP in the absence of oxygen, albeit less efficiently than during aerobic respiration. Alcoholic fermentation is another type of anaerobic process that can occur in some microorganisms, during which glucose is converted to ethanol and carbon dioxide. This process is not typically observed in humans.
Therefore, option B (homolactic fermentation) is the correct answer. Option C (generation of optimal ATP levels) is not correct, as homolactic fermentation generates ATP less efficiently than aerobic respiration. Option A (alcoholic fermentation) and option D (all of the above) are incorrect.

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.



What is maintaining constant internal conditions?

Answers

Answer:

Homeostasis

Explanation:

just search online lol

Imagine that you're a researcher in a neurology lab looking at functioning neurons with an advanced microscope. You notice that there is a lack of signaling between a particular set of neurons.
Which of the following best describes why these particular neurons may not be functioning properly?

Choose 1 answer:

(Choice A) The neurons' cell bodies are producing neural impulses that are too strong.

(Choice B) The neurons' cell bodies are producing neural impulses that are too weak

(Choice C) The neural impulses are not properly traveling through the axons and cannot be transmitted from one neuron to another.

(Choice D) The neurons are receiving signals that cause resting potential changes, producing an electrical impulse called an action potential.

Imagine that you're a researcher in a neurology lab looking at functioning neurons with an advanced microscope.

Answers

The neuronal impulses are not adequately passing through the axons and cannot be passed from one neuron to another, as stated in Option C.

What occurs if neurons don't work properly?

Because they are brittle, neurons are susceptible to tearing, cutting, and pressure. A damaged neuron can stop impulses from entering and exiting the brain, affecting muscle control or causing numbness in the affected area. Peripheral nerves, the spinal cord, and the brain can all be affected by nerve injury.

Why might this neuron not operate properly?

It would be impossible for this neuron to receive impulses. The signal could not be recharged by this neuron. It would be impossible for this neuron to combine data from several synapses.

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Answer:

choice c

Explanation:

The neuronal impulses are not adequately passing through the axons and cannot be passed from one neuron to another

Who of you all like roddy ricch

Answers

Answer:

not me lol

Explanation:

Answer:

he is okay i like a couple of his songs.

Explanation:

In plants, stem cells are located in meristems. meristems are present in embryos and adults and produce __________.

Answers

In plants, stem cells are located in meristems. Meristems are present in embryos and adults and produce all plant structures like stems, roots, leaves, and flowers.

Plant stem cells are inherently undifferentiated cells found in the meristematic tissues, delivering them a vitally constant supply of precursor cells which thereafter distinguish into different parts or tissues.

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There are three main regions in leaves: the epidermis, mesophyll and veins. Explain the roles each of these play in the proper functioning of a leaf by completing the following
- guard cells - bundle sheath - spongy mesophyll - mesophyll - stomata - phloem
- palisade mesophyll - cutin
- xylem
- tightly
- loosely
- epidermis
- air spaces
The ____ is a single-celled, mostly non-photosynthetic, protective layer that constitutes the upper and lower surface of leaf blades. The upper layer is generally covered by a thick, waxy coating of ___ to help minimize water loss. Alternatively, the lower layer contains a number of pores, called ___ for gas exchange. The ___ around these pores are the only cells that contain chlorophyll and can conduct photosynthesis

Answers

Leaves are structures that make it possible for plants to photosynthesize. There are three primary regions in leaves: the epidermis, mesophyll, and veins. Each of these regions serves a critical function in the effective functioning of the leaf.

Guard cells- The guard cells are present in the stomata of the leaves. They control the size of the stomata, which helps in controlling the transpiration rate. They also protect the stomata from water loss. Bundle sheath- The bundle sheath is a layer of cells present in the plant's mesophyll. It surrounds the vein and is responsible for transporting food and other essential minerals. Spongy mesophyll- It is responsible for photosynthesis and gas exchange in the leaves. The loosely packed cells provide a large surface area for carbon dioxide and oxygen exchange. Mesophyll- The mesophyll is the internal layer of the leaf. It contains the palisade and spongy mesophyll and is responsible for photosynthesis. Stomata- Stomata is responsible for gas exchange.

It allows the leaves to absorb carbon dioxide and release oxygen. Phloem- Phloem is responsible for carrying sugars from the leaves to other parts of the plant, such as the roots. Palisade mesophyll- The palisade mesophyll is responsible for photosynthesis. It's densely packed with chloroplasts that absorb sunlight to create food for the plant. Cutin- Cutin is responsible for protecting the leaf from water loss. Xylem- Xylem is responsible for carrying water from the roots to other parts of the plant. Epidermis- The epidermis is a protective layer that covers the leaf surface. Air spaces- The air spaces present in the leaf help in the exchange of gases between the mesophyll cells and the environment.

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If franklin had never used x-ray technology to take pictures of DNA, how might Watson and Crick's work have been different?

Answers

Answer:

The question became how to study the DNA molecule. Biochemists believed that understanding its structure would reveal how the molecule coded the instructions for copying a new organism. They began taking X-ray images of crystals of DNA, believing that its crystallization meant it must have a regular structure. The pattern of the X-rays bouncing off atoms (a phenomenon called “diffraction”) gave information about their location in the molecule. One of the pioneers of this technique, called “X-ray crystallography,” was Linus Pauling, who worked at the California Institute of Technology in Pasadena. In the early 1950s Pauling, a prominent chemist doing molecular research in the States, seemed a likely candidate to unlock the mystery of life, since he had already concluded that the general shape of DNA must be a helix, or spiral.

Explanation:

If Franklin had never used x-ray technology then Watson and Crick would NOT have elucidated the structure of DNA.

Deoxyribonucleic acid (DNA) is a double helix molecule composed of two long chains of nucleotides linked by hydrogen bonds.

Franklin used x-ray technology to discover a pattern in DNA.

The DNA pattern discovered by Franklin by using X rays diffraction was fundamental to understanding the nature of the DNA molecule.

In conclusion, if Franklin had never used x-ray technology then Watson and Crick would NOT have elucidated the structure of DNA.

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assume that you have a summer fellowship to study vaccine production for an agent of an emerging infectious disease. you infect several animals with the agent and watch the animals get sick and recover within three to four days. three months later, you try to reinfect the same animals with the same agent with no success. what can you conclude about the animals' defense to this new agent?

Answers

The animals get sick and recover within three to four days. three months later,  try to reinfect the same animals with the same agent with no success. To conclude about the animals' defense to this new agent is a pathogen

A pathogen is an organism that causes disease and is able to trigger an immunological response in other creatures. Viruses, bacteria, and nematodes are examples of organisms that can behave as pathogens.Various tests have been run to identify the infectious agent. The animals are protected against illness through trypsin digestion. Given that protein digestion interferes with an organism's ability to spread disease, the infectious agent must therefore be a protein

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What is the correct sequence of renal tubule segments through which filtrate would flow? Multiple Choice Distal tubule, ascending timb of nephron loop, descending limb of nephron loop, proximal tubule Collecting duct proximal tubule, descending limb of nephron loop, ascending timb of nephron loop, distal tubule Proximal tubule, ascending limb of nephron loop, descending Imb of nephron loop, distal tubule Proximal tubule, descending limb of nephron loop, ascending timb of nephron loop, distal tubule

Answers

The correct sequence of renal tubule segments through which filtrate would flow is B. proximal tubule, descending limb of nephron loop, ascending limb of nephron loop, distal tubule.

The kidney consists of three primary sections: renal cortex, renal medulla, and renal pelvis, the renal tubule is a portion of the nephron that carries a filtrate away from the glomerulus. Each nephron in the kidney has a renal tubule, which is divided into four different regions. The four regions are the proximal convoluted tubule, the loop of Henle, the distal convoluted tubule, and the collecting duct. The proximal tubule is the segment of the renal tubule that immediately follows Bowman’s capsule and is responsible for most of the reabsorption of nutrients and ions from the glomerular filtrate.

The descending limb of the loop of Henle is the second segment of the renal tubule, which is responsible for reabsorbing water. The third segment of the renal tubule is the ascending limb of the loop of Henle, which is responsible for reabsorbing ions, particularly Na⁺ and Cl⁻. The final segment of the renal tubule is the distal tubule, which is responsible for reabsorbing additional ions and regulating the pH of the urine. So therefore the correct answer is B. proximal tubule, descending limb of nephron loop, ascending limb of nephron loop, distal tubule.

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Final answer:

The filtrate in the renal tubule flows in the sequence: Proximal tubule, descending limb of nephron loop, ascending limb of nephron loop, and distal tubule, finally reaching the collecting duct where it gets converted into urine. These segments allow the reabsorption of water and useful substances, along with the expulsion of waste substances.

Explanation:

The correct sequence of renal tubule segments in which filtrate would flow in the human body is: Proximal tubule, descending limb of nephron loop, ascending limb of nephron loop, distal tubule, and then the collecting duct. Kidney filtration starts at the Bowman's capsule which then passes it to the proximal tubule, the descending and ascending limbs of the nephron loop (Loop of Henle), followed by the distal tubule, and finally the collecting duct where it is converted into urine. The filtrate moves through these consecutive segments in order, a process which allows the body to reabsorb water and various useful substances while expelling waste substances as urine.

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If your body lacks enzymes that break down carbohydrates, it would be unable to get __A__ for energy production. If you lacked the enzyme to digest proteins, you may not absorb enough __B__.

Answers

Answer:

Glucose and amino acid.

Explanation:

If your body lacks enzymes that break down carbohydrates, it would be unable to get glucose for energy production while on the other hand, if you lacked the enzyme to digest proteins, you may not absorb enough amino acid that our body needs for the formation of muscles. Enzymes play a great role in the breakdown of macro food particles into simpler molecules so that it can be absorbed by the cells.

Answer:

A: Sugar Molecules

B: Amino Acids

Hope this helps!

Explanation:

If your body lacks enzymes that break down carbohydrates, it would be unable to get __A__ for energy

where do we find chloroplast and chromoplast in hebiscuis

Answers

Answer:

Explanation:Chloroplasts are present in the cells of all green tissues of plants and algae. Chloroplasts are also found in photosynthetic tissues that do not appear green, such as the brown blades of giant kelp or the red leaves of certain plants. In plants, chloroplasts are concentrated particularly in the parenchyma cells of the leaf mesophyll (the internal cell layers of a leaf).

All of the following are causes of hypernatremia EXCEPT:

a) Excess water loss
b) Low aldosterone production
c) Decreased water intake
d) Increased sodium intake or retention

Answers

Increased sodium intake or retention is not among the causes of hypernatremia.

what does hypernatremia mean ?

People who don't drink enough water frequently develop hypernatremia. A lack of thirst or poor judgment is typically to blame for this. An infant with restricted fluid access or a person with dementia are two examples.

Depending on the degree, there are different symptoms, but thirst, restlessness, and exhaustion are a few.

Additional hydration or intravenous fluids may be prescribed as a kind of treatment.

Symptoms of hypernatremia

some of the major Symptoms include

Muscle weakness.Restlessness.Extreme thirst.Confusion.Lethargy.Irritability.Seizures.Unconsciousness.

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when a compound changes the shape of an enzyme by binding to it, and consequently the substrate cannot enter the active site, the compound is called a(n) . when a compound changes the shape of an enzyme by binding to it, and consequently the substrate cannot enter the active site, the compound is called a(n) . noncompetitive inhibitor competitive inhibitor steroid proenzyme coenzyme

Answers

When a compound changes the shape of an enzyme by binding to it, and consequently the substrate cannot enter the active site, the compound is called a noncompetitive inhibitor.

What is known as enzymes?

Biological polymers that catalyse biochemical reactions are what are known as enzymes.

Most enzymes are proteins having catalytic properties that are essential to carry out various operations. A group of enzymes that are essential for maintaining life carry out metabolic processes and other chemical reactions within the cell.

Where are enzymes made?

The pancreas, small intestine, and stomach all produce digestive enzymes. The "powerhouse" of enzymes for digestion is actually the pancreas. The most vital digestive enzymes—those that liquefy fats, proteins, and carbohydrates—are produced by it.

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I understand that the question you are looking for is:

A compound that binds to the surface of an enzyme, and changes its shape so that a substrate cannot enter the active site, is called a(n)

A) irreversible inhibitor.

B) proenzyme.

C) cofactor.

D) noncompetitive inhibitor.

E) competitive inhibitor.

one field of biology in particular has sparked ethical concerns over whether or not we should be editing the genes of organisms which field of biology sparked these concerns a marine biology b ecology c taxonomy d biotechnology

Answers

The scientific field concerned with using technology on biological organisms for sustainable development has a wide range of uses in the medical and agricultural industries.

What is Biotechnology?

It aids in the crops' ability to withstand abiotic stress such as cold, drought, salt, severe weather conditions, etc.

It has a wide range of industrial applications, including the manufacturing of alcohol, cosmetics, and even biological elements and cellular structures.

It is commonly employed in the energy sector, for example, in the manufacturing of biofuels, a natural resource alternative that is also environmentally beneficial and doesn't generate greenhouse gases.

Therefore, The scientific field concerned with using technology on biological organisms for sustainable development has a wide range of uses in the medical and agricultural industries.

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Which surgical treatment for otosclerosis implants a prosthetic device that allows sound waves to pass to the inner ear?

Answers

stapedectomy is the surgical treatment for otosclerosis implants a prosthetic device that allows sound waves to pass to the inner ear.

Otosclerosis is a condition in which a patient suffers hearing loss because a u-shaped bone named stape in the middle ear is damaged. The stape helps transmit sound waves from the middle ear to the inner ear.

stapedectomy is a surgery performed to treat hearing loss caused by Otosclerosis. During the procedure, the surgeon replaces the stapes with an artificial device. It transmits the sound from the middle ear to the inner ear.

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What best describes the dropping height of a ball that bounced back up to a height of 45 centimeters? ​

Answers

Answer:

A bouncy ball lol

Explanation:

ok jk Answer: Less than 45 centimeters, as the ball transforms some of its potential energy into thermal energy and sound energy.

What are the 12 cranial nerves?

Answers

The cranial nerves are a group of nerves that originate in the brain and control various functions in the head and neck region. There are 12 cranial nerves in total, and they are numbered Roman numerals I through XII.

Cranial Nerve I: The olfactory nerve is responsible for the sense of smell.

Cranial Nerve II: The optic nerve is responsible for vision.

Cranial Nerve III: The oculomotor nerve controls eye movement and pupil dilation.

Cranial Nerve IV: The trochlear nerve controls superior oblique muscle of the eye.

Cranial Nerve V: The trigeminal nerve controls sensation in the face and jaw movement. It has three branches: the ophthalmic nerve, the maxillary nerve, and the mandibular nerve.

Cranial Nerve VI: The abducent nerve controls movement of the lateral rectus muscle of the eye.

Cranial Nerve VII: The facial nerve controls the muscles of facial expression and taste sensation on the front two-thirds of the tongue.

Cranial Nerve VIII: The vestibulocochlear nerve is responsible for hearing and balance.

Cranial Nerve IX: The glossopharyngeal nerve controls the muscles of the pharynx and tongue and also carries taste sensation from the back one-third of the tongue.

Cranial Nerve X: The vagus nerve controls the muscles of the larynx and pharynx and also carries sensation from the viscera.

Cranial Nerve XI: The accessory nerve controls the muscles of the shoulder and neck.

Cranial Nerve XII: The hypoglossal nerve controls the muscles of the tongue.

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Which force helps drive erosion of sediments by
a mountain stream?

the options are-
A) gravity
B) magnetism
C) chemical bonds
D) plate tectonics

(also i don’t know what subject this goes into)

Answers

Answer:

its b or c

Explanation:

but i would say c

how do genetics define the appearance of an organism?

Answers

Answer: The term “phenotype” refers to the observable physical properties of an organism; these include the organism’s appearance, development, and behavior. An organism’s phenotype is determined by its genotype, which is the set of genes the organism carries, as well as environmental influences upon these genes.

On a hot day, warm air on land rises and collides with cool air. Which of these weather conditions is most likely to follow?
Question 21 options:

hurricane

blizzard

cyclone

thunderstorm

Answers

Answer:

thunderstorm i think

Explanation:

hope this helps :)

It would form a thunderstorm

What determines why some traits are "favorable"?

Answers

favorable traits are typically traits that are beneficial.

of the following actions, which would be the most beneficial in stopping the dead zones from reappearing in the Gulf of Mexico in the future? Restore inland and coastal wetland areas that have been destroyed or degraded In the Mississippi River Basin, use fertilizers on steeply sloped land Develop new standards for each step in the offshore drilling process

Answers

The most beneficial action to stop the dead zones from reappearing in the Gulf of Mexico in the future would be to restore inland and coastal wetland areas that have been destroyed or degraded (option A).

Deаd zones аre аreаs of wаter where oxygen levels аre so low thаt mаrine life cаnnot survive. They аre cаused by аn excess of nutrients, such аs nitrogen аnd phosphorus, which come from аgriculturаl runoff аnd other sources. These nutrients stimulаte the growth of аlgаe, which then die аnd decompose, consuming oxygen in the process. By restoring wetlаnd аreаs, the excess nutrients cаn be аbsorbed, preventing them from reаching the Gulf of Mexico аnd contributing to the formаtion of deаd zones.

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define inflammation????????

Answers

Answer:

Inflammation is a process by which your body's white blood cells and the things they make protect you from infection from outside invaders, such as bacteria and viruses.

Explanation:

I got this from my notes, since I am studying it rn. Hope this helped:)

write any three methods of controlling flood landslide and soil erosion​

Answers

You can reduce soil erosion by:
Maintaining a healthy, perennial plant cover.
Mulching.
Planting a cover crop – such as winter rye in vegetable gardens. ...
Placing crushed stone, wood chips, and other similar materials in heavily used areas where vegetation is hard to establish and maintain.

Floods can be controlled by redirecting excess water to purpose-built canals or floodways, which in turn divert the water to temporary holding ponds or other bodies of water where there is a lower risk or impact to flooding.

modifying slope geometry, using chemical agents to reinforce slope material, installing structures such as piles and retaining walls, grouting rock joints and fissures, diverting debris pathways, and rerouting surface and underwater drainage.




The ingredients described above are used to make a bonding agent. The most important safety precaution to take when applying this bonding agent is to...

Answers

Is to work in a well ventilated area since the fumes are very dangerous

Producers are found on what level of an energy pyramid

Answers

Answer:

first/ lowest level

Explanation:

Other Questions
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