Earth's troposphere, hydrosphere, and lithosphere contain relatively large amounts of which
Several hundred kilometers from Earth into space
element?
Answers
Related Questions
Which fertilization event occurs immediately after the formation of the male and female pronuclei?spindle formation and cleavage beginscytokinesis beginsoocyte activation beginsrelease of a secondary oocyte and the first polar body
Answers
After the formation of the male and female pronuclei, the next fertilization event that occurs is spindle formation. Spindle formation is a critical step in the process of cell division that prepares the cell for proper chromosome segregation during mitosis or meiosis.
In fertilization, spindle formation occurs in the zygote, which is the cell resulting from the fusion of the sperm and egg cells. The spindle fibers are responsible for separating the chromosomes from each other during cell division, ensuring that each daughter cell receives the correct number of chromosomes. Once the spindle is formed, cytokinesis begins, and the cell divides into two daughter cells. This is followed by oocyte activation, which is a series of changes that occur in the egg cell to prepare it for embryonic development. Finally, the secondary oocyte and the first polar body are released from the ovary and travel through the fallopian tube toward the uterus.
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7. Why are people from Pacific Island
nations likely to become environmental
refugees?
A. Because of sea level rise due to
climate change
B. Because the fish populations they
survive on are diminishing
C. Because they ve degraded their
Islands and can no longer grow food
D. Because large factories there have
contaminated the soil, increasing cancers
and other health problems
Answers
Answer:
For these migrants, economic and cultural reasons were given as motivations for settling abroad. About 37 percent leave to find work, 26 percent for education opportunities and some 18 percent give climate change as their reasons for migration.
Which of the following is an example of a system found in nature
Answers
Answer: carbon cycle, water cycle, nitrogen cycle
Explanation:
-For example, the human heart has one side to pump oxygenated blood and a second side to pump deoxygenated blood.
If this doesn’t work you could mention solar systems, in which planetary bodies orbit the sun via gravitational pull
Before converting protein to glucose or fat, the _____ must be removed
amino group
peanut butter sandwich (peanut butter and bread)
the liver converts ammonia to the less toxic urea..
Answers
Before converting protein to glucose or fat, the amino group must be removed.
Proteins are composed of amino acids, and when the body needs energy, it can convert proteins into glucose through a process called gluconeogenesis or into fat through lipogenesis. However, before proteins can be utilized in these metabolic pathways, the amino group \((-NH_2)\) needs to be removed. This process is called deamination.
Deamination occurs primarily in the liver. The liver enzymes remove the amino group from the amino acids, resulting in the formation of ammonia \((NH_3)\). However, ammonia is toxic to the body, so the liver converts it into a less toxic substance called urea. Urea is then transported to the kidneys and excreted from the body through urine.
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Outline 4 differences between Mitosis and Meiosis?
Answers
Answer:
mitosis
Explanation:
correct
No crossing over
Two daughter cells
happens in somatic cells
diploid daughter cells
no bivalent formed.
genetic similarity maintained from parent cells.
Meiosis;
four daughter cells
happens in gametes
the rest are opposites of mitosis
for the following question. match the valve of the heart with its anatomical location for auscultation.
Answers
Aortic: Right sternal boundary, second intercostal gap
Pulmonic: Left sternal boundary, second intercostal gap
Tricuspid: Lower left sternal boundary, fourth-fifth intercostal space
Mitral: Fifth intercostal space left midclavicular line
What is Auscultation?
Auscultation, which derives from the Latin verb auscultate, meaning "to listen," involves listening to bodily sounds internally while typically using a stethoscope. Auscultation is a procedure used to examine the alimentary canal as well as the respiratory and circulatory systems (heart and breath sounds).
A fine stethoscope, good listening abilities, and a lot of clinical expertise are necessary for auscultation. The heart, lungs, and gastrointestinal system are the three main organs and organ systems that healthcare professionals (doctors, nurses, etc.) listen to during auscultation.
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mutations in dna may or may not result in a change in the phenotype of an organism. in which of the following situations will a mutation appear in the phenotype of an individual
Answers
The type of mutation which may not result in any chage to the penotype of an organsim is called a silent mutation.
What are mutations?Mutations refers to the changes that occur in the DNA of an individual organism. These chages may or may not change the appearance (phenotype) of the orgamsim.
The type of mutation which may not result in any chage to the penotype of an organsim is called a silent mutation.
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Disturbances inside Earth’s core cause earthquakes. The starting point of the disturbance is called the epicenter. Why does the amplitude of a seismic wave usually decrease as the wave moves away from the epicenter?
A.
The waves lose energy in the form of heat.
B.
The frequency of the waves continues to increase.
C.
The wavelength of the waves continues to decrease.
D.
The waves encounter entirely different mediums.
Answers
D. The waves encounter entirely different mediums.
Why does the amplitude of a seismic wave decrease as the wave moves away from the epicenter?At farther distances, the amplitude of the seismic waves decreases as the energy released by the earthquake spreads throughout a larger volume and different mediums of Earth.
So we can conclude that option D is the right answer.
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The amplitude of a seismic wave generally decreases as the wave moves away from the epicenter because the waves encounter entirely different media.
Option D. The waves encounter entirely different mediums.What are seismic waves and epicenter?Seismic waves are waves of a mechanical nature, they propagate on Earth as a result of an earthquake or explosion. They are vibrations that are transmitted due to a release of energy from a specific point that is called a seismic focus. and the resistance found in the medium in which it propagates decreases the energy, dicipating it.
With this information, we can conclude that Seismic waves are movements of rock particles that are transmitted along concentric surfaces due to the sudden release of energy at the seismic focus.
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what are hox genes and what do they have to do with linking a fruit fly to you? how did experiments with mice contribute to our understanding of animal development?
Answers
Hox genes are a group of related genes that determine the body plan of an embryo along the anterior-posterior axis. They play a key role in regulating the development of the body plan and the formation of specific structures and organs in an organism.
In fruit flies, hox genes are responsible for determining the identity and placement of different body segments. This same mechanism is also found in humans, linking fruit flies and humans through a common evolutionary ancestor.
Experiments with mice have contributed to our understanding of animal development by revealing the role of hox genes in the development of the vertebrate body plan. By studying the effects of mutations in hox genes in mice, researchers have been able to gain a deeper understanding of how these genes regulate the development of the body plan and the formation of specific structures and organs.
In conclusion, hox genes are essential for the proper development of an organism and play a key role in linking fruit flies and humans through a common evolutionary ancestor. Experiments with mice have furthered our understanding of the role of hox genes in animal development.
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I need a lot of help please
Answers
Answer:
I cant see it
Explanation:
Solve the system of linear equations and check any solutions algebraically. (If there no solution; enter NO SOLUTION. If the system is dependent, express X, Y, and in terms of the parameter a.) Y + 7 = 16 Y + 2 = 22 (x, Y, 2) =
Answers
The system of linear equations given does not have a solution.
Let's analyze the given system of equations:
Equation 1: Y + 7 = 16
Equation 2: Y + 2 = 22
In Equation 1, we can isolate Y by subtracting 7 from both sides, yielding Y = 9. However, in Equation 2, we obtain Y = 20, which contradicts the value obtained from Equation 1. This inconsistency indicates that the system is inconsistent and has no solution.
Algebraically, we can see that there is no intersection point between the two equations when graphed on a coordinate plane. The first equation represents a horizontal line at Y = 9, while the second equation represents a different horizontal line at Y = 20. Since these lines do not intersect, there is no common solution for X and Y that satisfies both equations simultaneously.
Therefore, the system has no solution.
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Which is the odd
one? Explain.
A. RR
B. Rr
C. Aa
D. aa
Answers
Answer:
d aa its not capitalized like the other ones
Explanation:
A polypeptide is made from 75 amino acids.
How many peptide bonds would exist in this polypeptide?
How many water molecules were formed in this process?
What type of reaction is involved in making a polypeptide?
Answers
1. How many peptide bonds would exist in this polypeptide?
A polypeptide is made up of multiple amino acids that are linked together by peptide bonds. The number of peptide bonds in a polypeptide is one less than the number of amino acids present. So in a polypeptide made from 75 amino acids, there would be 74 peptide bonds.
2. How many water molecules were formed in this process?
The process of linking amino acids together to form a polypeptide is called a condensation reaction. In this process, one water molecule is produced for every peptide bond formed. In this case, since there are 74 peptide bonds in the polypeptide, 74 water molecules were formed.
3. What type of reaction is involved in making a polypeptide?
The process of linking amino acids together to form a polypeptide is a condensation reaction. This type of reaction involves the formation of a peptide bond between two amino acids, which is accompanied by the loss of a water molecule.
When does the exponential growth of a population stop?
Answers
Answer:
When the population reaches its carrying capacity.
Explanation:
As a population grows, there is more competition for resources which can limit a population. There are also natural disasters that can play a role too such as disease. Another factor that is part of carrying capacity is the size of the habitat. If there is no room, then the population cannot increase.
Answer: When the organisms compete
Explanation:
ap3x
What is the primary source of protein in your diet?
Answers
Answer:
animal source and plant sorce
Explanation:
a.eggs,meat
b.legumes
predict how you think
clouds contribute to the global energy
budget
Click to add text
Answers
Answer:
Mists assume a principal part in keeping up the Earth's energy equilibrium, or "radiation financial plan," the measure of radiation that enters and leaves the Earth.
sorry for the wait! please help me out and help me on 2 of my recent questions it would mean everything to me.<3
1 point
6.
What does this graph of plant heights show?
60 f Height (cm)
55
50
Plant 1
45
40
35
30
25
20
15
10
5
Plant 2
Time (days)
5 10 15 20 25 30 35 40 45 50
O Plant 2 ended up taller than Plant 1.
O Plant 1 was always taller than Plant 2.
O Plant 1 grew steadily. Plant 2 grew quickly at first and then stopped
growing
O Plant 2 grew steadily. Plant 1 grew slowly at first and then grew quickly.
Answers
Based on the graph of plant growth, it can be concluded that Plant 1 grew steadily. Plant 2 grew quickly at first and then stopped growing.
The correct option is C.
What are the factors that affect plant growth?Plant growth refers to the increase in size and height of a plant as a result of the metabolic activities that occur in the plant.
The growth of your plants can be impacted by four key elements. They are temperature, light, nutrients, and water. These four factors have an impact on the plant's growth hormones, which will either cause the plant to grow swiftly or slowly.
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Describe how the body systems involved in movement work together in detail to provide movement for the organism.
I beg of anyone to answer
Answers
The locomotor system, also known as the musculoskeletal system, is responsible for the movement of the body. It includes bones, muscles, tendons, ligaments, and joints, all of which work together to facilitate movement.
How does the locomotor system work?The bones provide the framework and support for the body, while the muscles are responsible for producing the force required for movement. The tendons connect the muscles to the bones, and the ligaments connect the bones to each other, providing stability and limiting movement in certain directions.
The joints are where two bones meet and allow movement to occur. Different types of joints, such as ball-and-socket, and pivot joints, allow for different types of movement.
When a muscle contracts, it pulls on the attached tendon, which in turn pulls on the bone, causing movement at the joint. This coordinated effort of the bones, muscles, tendons, ligaments, and joints allows us to perform a wide range of movements, from simple actions like standing and walking to more complex movements like running and jumping.
The nervous system plays a crucial role in controlling the locomotor system, sending signals from the brain to the muscles via the spinal cord to initiate and regulate movement.
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Meiosis is the process that produces haploid gametes from diploid cells in the gonads. As a diploid cell progresses through the stages of meiosis I and meiosis II, at what point do the cells first become haploid
Answers
Answer:
A
Explanation:
Meiosis occurs in two phases. Meiosis I is the reductive phase, while meiosis II is non-reductive. The point at which the cells first become haploid is at the end of meiosis I, after homologous chromosomes separate.
-----------------------------------------------------
Through Meiosis, a diploid cell (2n) produces four haploid daughter cells (n).
After DNA replication there are two meiotic phases.
The first one is a reductive phase, in which homologous chromosomes separate. In the second phase, the cell suffers a new, not reductive division.1. In the first phase, Meiosis I:
Prophase I: Chromosomes condensate and become visible. Occurs crossing-over between homologous chromosomes. Crossin-over makes the daughter cells to be genetically different from the original one. Metaphase I: Homologous chromosomes randomly align in the equatorial plane. Anaphase I: In this phase occurs the division and independent separation of homologous pairs. Each chromosome migrates to different poles. This separation generates different chromosomal combinations in the daughter cells.Telophase I: Chromosomes of homologous pairs are already in the corresponding poles, and the nuclear membrane forms again in each pole.
Cytokinesis occurs
2. In the second phase, Meiosis II:
Prophase II: Chromosomes condensate again and become visible. Metaphase II: Chromosomes join the spindle apparatus and migrate to the equatorial plane, where they randomly line up. Sister chromatids are holden together until they reach the Anaphase. Anaphase II: Centromeres divide, chromatids get separated, and each of them goes forward an opposite cellular pole. Telophase II: Once in the poles, the chromosomes become lax again, and the nuclear membrane forms again.Cytokinesis occurs.
To answer this question, focus your attention on Meiosis I. During the anaphase homologous chromosomes separate. After this point, the nuclear membrane forms in the telophase, followed by cytokinesis. The result is two haploid cells.
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Which of these factors has not contributed to the increased extraction and
use of non-conventional fossil fuels *
a. Improved technology
b. Higher global energy demand
c. Historically low prices for oil
d. Depletion of easily accessible oil reserves
Answers
Answer:
c. Historically low prices for oil
Explanation:
There are countless reasons as to why the world has been looking for other non-conventional fossil fuels but historically low prices for oil have not helped this endeavor. This is because lower prices causes increased demand for oil. Therefore, more people simply buy oil instead of looking for and purchasing other fuel solutions. Without this demand/interest for other fuels the progress is halted or at least staggered. On the other hand, higher global energy demand and depletion of oil reserves is what pushes the need to find non-conventional fossil fuels, while improved technology facilitates the extraction process of these fuels.
label the parts of a DNA molecule
Answers
The label A in the given image is pentose sugar, B is phosphate group, C is phosphate group, D is cytosine, E is adenine, and F is a nucleotide.
What is DNA?Deoxyribonucleic acid is a polymer made up of two polynucleotide chains that tangle into one another to form a double helix that contains genetic instructions for the development, operating, growth, and procreation of all lifeforms and viruses. Nucleic acids include DNA and ribonucleic acid.
Nucleotides are strung together in 2 long strands to form a spiral known as a double helix.
The framework of the double helices is similar to that of a ladder, with the base pairs forming the rungs and the sugar and phosphate molecules forming the ladder's vertical sidepieces.
Thus, the label A is pentose sugar, B is phosphate group, C is phosphate group, D is cytosine, E is adenine, and F is a nucleotide.
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Match each of the hints below to the correct process AND/ or the correct structure!
Answers
Cellular Respiration:
The main goal of this proccess is to generate a lot of ATP
CO2 gas production happens with this process
Glycolysis, Kreb's cycle and ETC occur in this process
C6H12O6 + 6O2 → 6CO2 + 6H2O + 36 ATP
Photosynthesis
This process makes glucose
6CO2 + 6H2O + light → C6H12O6 + 6O2
Mytochondria
Muscles would have a lot of me in them
Chloroplast
I can be found in plant cells
I can capture light in pigments that are found within me
Water production will happen within me
Tha Calvin Cycle will happen within me
What mineral is produced when two atoms of iron Chemically Combined With three Atoms of oxygen
Answers
Answer:
Hematite
Explanation:
Hematite is created with two iron atoms to three oxygen atoms, and magnetite, with three iron atoms to four oxygen atoms, which are both iron oxides.
An unknown solution has an Het concentration of 10-12 moles per liter. Which of the following statements correctly describes this solution?
A. The solution is basic in nature.
B. The solution is acidic in nature.
C. The solution is neutral in nature.
Answers
Answer:
Given the concentration of H+, we can calculate the pH through the formula pH= -log(H+). In this problem, the pH is 12. Hence the solution is basic in nature.
Explanation:
Which planet is most like the sun?
Answers
I think the answer is venus
From studying seismic waves, scientists have determined that the, what is liquid iron and nickel
Answers
The liquid iron and nickel are believed to make up the Earth's outer core, based on studies of seismic waves. Seismic waves are vibrations that travel through the Earth's interior, and scientists use them to infer information about the structure and composition of the planet.
Seismic waves come in two main types: P-waves (primary waves) and S-waves (secondary waves).
P-waves can travel through solids, liquids, and gases, while S-waves can only travel through solids. By measuring the speed and direction of these waves as they pass through the Earth, scientists can create a picture of the planet's interior.
One key observation that scientists have made is that S-waves are not detected in certain areas of the Earth's interior, specifically in the outer core. This suggests that the outer core is made up of a liquid material that does not allow S-waves to pass through it.
Based on the Earth's overall composition and the behavior of seismic waves, scientists believe that this liquid material is primarily made up of iron and nickel.
Liquid iron and nickel are believed to make up the Earth's outer core based on observations of seismic waves. These waves provide valuable information about the Earth's composition and structure, and help scientists better understand our planet's history and evolution.
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Pump jacks use upward force and pressure to slowly move oil up a drill shaft. Which statement best describes an environmental consequence of this process?
Soil is created by the force and pressure of the drilling process.
High salinity of wastewater reduces soil fertility and growth of vegetation.
Wastewater is contaminated with oil and becomes sludge in landfills.
Heavy metals are released into surrounding soil, poisoning local vegetation.
Answers
Wastewater is contaminated with oil and becomes sludge in landfills.
Environmental consequences of oil spillage
The effects oil spillage create a great environmental pollution.
The pollution caused by oil spillage can kill surface-dwelling animals and birds by poisoning or suffocation, as well as affecting buoyancy and natural waterproofing.
Contaminated food supplies mean animals may become malnourished or poisoned over time.
Thus, the statement that best describes an environmental consequence of this process is "Wastewater is contaminated with oil and becomes sludge in landfills".
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Describe data that indicates significant ecological effects of global warning on animal reproduction.
Answers
Global warming is affecting animal reproduction through changes in breeding patterns, population decline in cold-adapted species, and skewed sex ratios. These impacts have significant implications for the health and stability of ecosystems and biodiversity worldwide.
Global warming has significant ecological effects on animal reproduction, as observed through various data sets. One such effect is the alteration of breeding patterns, with many species breeding earlier due to warmer temperatures. For instance, studies on amphibians, such as frogs and salamanders, have shown a shift in breeding season by up to 2.3 days per decade.
Another impact is the decline in population sizes of cold-adapted species like the Adélie penguin. Research indicates that a decrease in sea ice has led to a reduction in their main food source, krill, subsequently affecting the penguins' reproductive success.
Furthermore, increased temperatures can lead to skewed sex ratios in species with temperature-dependent sex determination, such as sea turtles. Studies reveal that warmer incubation temperatures produce more female hatchlings, potentially causing long-term consequences on population stability.
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what is net primary productivity?a.the total amount of energy produced by autotrophsb.the total amount of energy produced by heterotrophsc.the amount of energy produced by autotrophs that is available for transfer to higher trophic levelsd.the amount of energy produced by heterotrophs that is lost as heat
Answers
Net primary productivity (NPP) can be defined as the amount of energy produced by autotrophs that is available for transfer to higher trophic levels.
Autotrophs, such as plants and algae, produce energy through the process of photosynthesis by converting sunlight, water, and carbon dioxide into organic compounds. This energy is then utilized by the autotrophs for their growth, maintenance, and reproduction.
However, not all the energy produced by autotrophs can be transferred to higher trophic levels, as a portion of it is consumed for their own metabolic processes. Net primary productivity is the remaining energy after these processes have taken place, which is then accessible to heterotrophs (such as herbivores) in the ecosystem.
To calculate NPP, we subtract the energy used by autotrophs for autotrophs (R) from the gross primary productivity (GPP), which is the total amount of energy produced by autotrophs. The formula for this is: NPP = GPP - R.
In summary, net primary productivity represents the energy available for transfer to higher trophic levels within an ecosystem, which ultimately determines the energy flow and the overall health of the ecosystem.
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5. Which organism receives the MOST energy. * A. Willow Tree B. Grasshopper O cxHumans D. Sharks
Answers
Answer:
A
Explanation:
This is because the tree is a main producer. It would have the most energy. Energy disappears by 10 every trophic level