(T/F) if you found an organism that was single-celled and had a nucleus, you would classify it as a member of the archaea.

Answer:

i think air pollution

Explanation:

of course the other two pollutions are harmful but with air pollution the harmful chemicals are going straight into your respiratory system. this is why people in asia wear masks, there’s so many harmful chemicals in the air from the factories.

In soil management in agriculture, the materials and methods used should be described in sufficient detail to allow another competent worker to replicate the work.

This typically includes information about the materials used, such as the type of soil, fertilizers, and amendments, as well as the methods employed, such as tillage practices, crop rotation, and irrigation techniques. Additionally, the time frame, location, and any specific measurements or data collection procedures should be included. By providing these details, the process of soil management can be accurately replicated by others in the field.

Adding organic matter, such as compost, manure, or cover crops, improves soil structure, water-holding capacity, and nutrient content. Organic matter also enhances microbial activity in the soil, promoting nutrient cycling and overall soil health. Conservation tillage practices minimize soil disturbance and erosion by reducing or eliminating plowing or intensive tilling. This helps preserve soil structure, moisture, and organic matter, while also reducing fuel and labor costs.

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Answer:

Starvation, suffocation, and dehydration takes different time to death of human.

Explanation:

Starvation takes more time to put the human into death because there are reserves of food in our body which can be used by our body in order to survive when these reserves ends up, the human die. In suffocation, human die in less time because oxygen is needed by our body to produce energy for doing activities so if there is no oxygen leads to no energy so the cells die, while on the other hand, dehydration also takes less time to starvation because our body need water to remain turgor and for the circulation of blood in the body if there is no water, no circulation occurs that leads to death.

Answer:

mass is the size of the object and weight is how much something weight

Explanation:

hope this helps

For the animal to successfully adapt to its new habitat in Independence National Park, both biotic and abiotic factors in both parks should be similar (D).

This means that the animal should be moved to a habitat that has similar temperatures, precipitation levels, soil type, light conditions, and other abiotic factors to its current habitat in Century National Park. Additionally, the new habitat should have similar food sources, predators, and other animals that the animal interacts with in its current habitat.

If the new habitat is significantly different from the current habitat, the animal may have difficulty adapting and surviving, which can lead to population declines and even extinction. By carefully considering both biotic and abiotic factors, park rangers can ensure that the animal is moved to a new habitat that is as similar as possible to its current habitat, which will increase the chances of its survival and success in its new home.

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Volume = 1 * 10^-9 cm^3

Surface area b= 1 * 10^-6 cm^2

Surface area to volume ratio = 1 * 10^3

The volume of a cube is given by the formula:

V = l^3

where l is the length of one side of the cube. To find the volume, simply raise the length of one side of the cube to the power of 3.

Volume of the cube = l^3 = (0.001)^3 = 1 * 10^-9 cm^3

Surface area of the cube =  (0.001)^2 = 1 * 10^-6 cm^2

The surface area to volume ratio is; 1 * 10^-6 cm^3/ 1 * 10^-9 cm^3

= 1 * 10^3

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Mutualism is an ecological connection between two or more species when each species benefits in some way from the interaction. Mutualism is an illustration of a typical ecological relationship.

The most frequent definition of mutualism is that it refers to interactions between members of different species that are advantageous to both parties, which displays the positive characteristics of the results of those interactions. Nevertheless, a more exact definition of mutualism is an interaction between individuals of various species that has a positive impact on per capita reproduction and/or survival of the interacting populations. Whereas only one partner species can give mutualistic benefits in species-specific mutualisms, several different species can do so in generalized mutualisms.

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Answer:

Explanation:

DONT KNOW SORRY

Answer:

Flooding

Explanation:

It absorbs some of the water into the soil

Answer:

Flooding

Explanation:

Answer:

earthquake (i think)

Explanation:

Answer:

B. Stomach

Explanation:

In the alimentary canal, the stomach comes next after the esophagus.

Answer: Last option

Explanation: The sickle shaped cells are less efficient at carrying oxygen.  They can cause partial blockages in the blood vessels increasing resistance and thus raising blood pressure.

Sponges live in aquatic habitats and belong to the phylum porifera, which means pore-bearing.

Sponges are members of the phylum Porifera. They are multicellular organisms whose bodies are filled with pores and channels that allow water to circulate through them which are jelly-like sandwiched between two thin layers of cells.

They are primitive aquatic animals of about 5,000 described species and live in all seas, where they are attached to the surface from the intertidal zone to depths of 8,500 m (29,000 ft) or more.

Phylum Porifera is divided into three classes based on the structure of skeletal elements.

1. Calcarea

2. Hexactinellida

3. Demospongia

Classes 1 and 2 account for about 10 to 20 percent of known species of sponges; The remaining 80 to 90 percent are placed in Class III.

Thus, sponges live in aquatic habitats and belong to the phylum porifera, which means pore-bearing.

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The requirement for in vitro synthesis of DNA under the direction of DNA polymerase I is a DNA template, a divalent cation (Mg2+), and all four of the deoxyribonucleoside triphosphates: dATP, dCTP, dTTP, and dGTP.

In molecular biology, DNA polymerase I am an enzyme that is involved in DNA replication and repair. It is also known as polA or polI. In vitro synthesis of DNA refers to DNA synthesis in a laboratory environment, which is performed outside of a living organism. The use of DNA polymerase I am important in this process since it provides the direction and catalyzes the addition of nucleotides to the DNA strand. The requirements for in vitro synthesis of DNA under the direction of DNA polymerase I am as follows:  DNA template is required for the process of DNA synthesis, as it provides the template for the formation of the new DNA strand. This template can be either single-stranded or double-stranded DNA.

Divalent cation (Mg2+)A divalent cation, typically Mg2+, is required as a cofactor for DNA polymerase I. This action helps to stabilize the DNA and the enzyme complex, allowing for efficient DNA synthesis. All four of the deoxyribonucleoside triphosphates. The deoxyribonucleoside triphosphates are the building blocks of DNA. They are composed of a nitrogenous base, a sugar, and three phosphate groups. For DNA synthesis to occur, all four of the deoxyribonucleoside triphosphates (dATP, dCTP, dTTP, and dGTP) must be present in the reaction mixture.

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A phosphate group, two alcohols, and one or two fatty acids make up phospholipids. The phosphate group and one alcohol are located on one end of the molecule; this end is polar, meaning it has an electric charge and is immediately drawn to water (hydrophilic). The other end, which contains the fatty acids, is neutral; it is hydrophobic and insoluble in water, but fat-soluble.

Phospholipids are a type of lipid that has a hydrophilic "head" that contains a phosphate group and two hydrophobic "tails" that are derived from fatty acids and are merged by an alcohol residue (usually a glycerol molecule).

Because phospholipids are a vital component of biological membranes, they can be extracted from any living plant or animal. Eggs, meats, fish, and milk are the main sources of phospholipids derived from animals. Among them, chicken whole eggs have the highest phospholipid content.

The endoplasmic reticulum (ER) is the primary site of phospholipid synthesis, and lipids are transported to other membrane compartments via vesicular and non-vesicular transport.

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Answer: Mendel considered traits hidden in the first generation to be recessive.

Explanation: Recessive traits, in order to be expressed in an organism's phenotype (physical characteristics) must be homozygous. This means that in a monohybrid cross, which means a trait with only one gene, (E.g. Aa, aa, AA) in order for a recessive gene to be expressed it must be combined with itself. (Examples include aa, bb, cc,)

Answer:

Fluoride levels in the bone would be higher in individuals with osteosarcomas.

Explanation:

Fluoride levels will be higher in bone of the individuals with osteosarcomas.

Fluoride is a group of compounds which is a combination of fluorine and other elements, these compounds are present in water, plants, rocks, air, and soil.

Some of fluoride compounds are sodium fluoride, stannous fluoride, and fluoride mono-fluorophosphate.

Once fluorides are absorbed inside the body, it travels into the blood through the digestive tract, tend to collect in areas with high calcium like  bones and teeth.

Majorly fluorides are used in drinking water, beverages, food, and  dental products, mostly fluoro-silicic acid, sodium fluorosilicate, and sodium fluoride forms are added to water.

Some of the fluoridated water used to prevent tooth decay, and  avoid  dental fluorosis, a cosmetic condition.

Average number of decayed, missing, or filled teeth in children reduced by application of this water and  cavities in adults.

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two plants are crossed, resulting in offspring with a 3:1 ratio for a particular trait the parents were both heterozygous for a single trait

The individual   is    who  has  two  different  allele  at  a  locus of a specific gene called as heterozygous where by  one  gene  is   dominant   over  the  other gene.  

For example heterozygous   parent  where Aa   pair  of  alleles.  In  this  pair  gene  A  is dominant over  gene  a.

When an organism has two copies of the same dominant allele on a gene, it is said to be homozygous dominant, the identical recessive allele is present in two copies in a homozygous recessive organism.

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Answer:

4. Once an object is in motion, what type of energy is being used?

A: Kinetic

Explanation:

Only 10% of the energy is transferred to the next level at each rung of the food chain, with the remaining 90% being lost as heat.

Energy is lost as metabolic heat when animals from one trophic level are ingested by species from the next level, hence energy diminishes as it goes up the food chain.

The remaining 90% is utilised for survival, growth, and reproduction and is wasted as heat to the environment. The base of every energy pyramid is the Sun, from which energy is transported to the first trophic level of producers. Species that devour other organisms, or consumers, receive their energy from producers.

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Answer:

1%

Explanation:

75% of the earth is water. 97% of that water is salt water! Meaning 3% is fresh water and 2.25% of that fresh water is in glaciers. So the amount of water left for animals has to be less than 2.25% so the answer has to be 1%

:)) hope this could help!

The best estimate is 1% of the amount of water available for the animals to drink. So, the correct option is (A).

Water covers 75 percent of the earth while 97 percent of the water on the earth is salt water which means only 3 percent of the water is available as fresh water. Based on this, of the 75% of water on earth, 3% is available as fresh water or 2.25% is available as Fresh water.

Since most water is locked away as solid glaciers and polar ice caps, the amount of water on the planet that is available for animals to drink is less than 2.25%, so the best approximation is 1 percent.

The planet's fresh water is very unevenly distributed, whereas in warm periods such as the Mesozoic and Paleogene, when there were no glaciers anywhere on the planet, all fresh water was found in rivers and streams, today most of the fresh water is ice, snow and ice which exists as Groundwater and soil moisture with only 0.3% in liquid form on the surface.

Thus, the best estimate is 1% of the amount of water available for the animals to drink. So, the correct option is (A).

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Answer: How does oxygen get into the bloodstream? Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body.OK Our typical red cell passes from the capillary into the venules, and then into veins. It flows back to the right side of the heart, completing the second loop of its circuit [music out]. As we saw, it then travels back to the lungs.The heart, blood and blood vessels work together to service the cells of the body. Using the network of arteries, veins and capillaries, blood carries carbon dioxide to the lungs (for exhalation) and picks up oxygen. From the small intestine, the blood gathers food nutrients and delivers them to every cell.

Explanation:

The sugar and phosphate group joins together to make the backbone of the DNA molecule and the nitrogenous bases aligned perpendicular to this backbone.

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Answer:

False.

Explanation:

Answer:

Brainliest pls

Explanation:

Finally, an enzyme called DNA ligaseseals up the sequence of DNA into two continuous double strands. The result of DNA replication is two DNA molecules consisting of one new and one old chain of nucleotides.

Answer:

I think I am not so sure about it but I think it is B if not I think A

By pitting two species of worms against each other at a varying densities, the researchers had determined that the zero growth isocline of species A is always above that of the species B,this means that the species A will always exclude the species B.

The zero-growth isocline represents the expected equilibrium population size of one species when the abundance of the second species is held constant, and vice versa.

The Zero Net Growth Isocline (ZNGI) represents the expected or ideal balance of population size for one species with other species held constant and vice versa. ZNGI essentially separates two coexisting populations into their respective positive (low density) and negative (high density) regions.

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The complete question is

By pitting two species of worms against each other at varying densities, researchers have determined that the zero growth isocline of species B is always above that of species A. This means that...

A. both species will coexist at a lower density than either would alone

B. species A will always exclude species B

C. species B will always exclude species A

D. one species will exclude the other, depending on the initial conditions