Answer:
In the Hadley cell, both sensible and latent heat are transported equatorward near the surface, while potential energy is transported above in the opposite direction, poleward. The resulting net poleward transport is only about 10% of this potential energy transport.
Explanation:
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Identify methods used to control pathogens
Answer:
There are the physical and chemical method
Explanation:
Physical control includes such methods of control as high or low temperature, desiccation, osmotic pressure, radiation, and filtration.
Chemical control refers to the use of disinfectants, antiseptics, antibiotics, and chemotherapeutic antimicrobial chemicals
Which organisms are tertiary consumers in this food web? Select all that apply.
Answer:
it is only the black cra ppie.
Explanation:
the whirl gig beetle, water cricket are secondary consumers and the copepod is a primary consumer.
What process occurs when
chromosomes are in the tetrad?
A. The chromosomes exchange portions of their
DNA crossing over genetic information.
B. The chromosomes are doubled in preparation
for fertilization.
C. All the genetic information is segregated, so it
does not mix in the chromosomes.
Answer:
A
Explanation:
Why were there no living inhabitants on earth for the first billion years?
There was no life on Earth for the first billion years because the atmosphere was not suitable for life. Earth's first atmosphere had lots of water vapor but had almost no oxygen. Later, frequent volcanic eruptions put several different gases into the air.
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his plant likes to grow in an upward direction and will often grow on other plants. Due to its length it must have a way to hold on as it grows so it does not fall.
During punctuated equilibrium, species form as they rapidly adapt to open niches, a process known as _______ ______.
Answer:
During punctuated equilibrium, species form as they rapidly adapt to open niches, a process known as adaptive. radiation.
Explanation:
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When sea ice melts, there will be a significant amount of sea level rise.
O True
O False
It will be true, since the ice bergas that fall off can be as big as a 98-164 feet. Form what I have resched
Bile neutralises hydrochloric acid in the stomach because bile is
Answer:
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Explanation:
Bile - a bitter greenish-brown alkaline fluid which aids digestion and is secreted by the liver and stored in the gall bladder.
Which statements best describe the fossil record? Check all that apply.
The fossil record is a complete history of all the organisms that have lived on Earth.
The fossil record shows which organisms have a common ancestor.
The fossil record can be used to develop a timeline of Earth’s history.
The fossil record shows which organisms existed at the same time.
The fossil record shows that fossils in lower rock layers are younger than fossils in higher rock layers.
Answer:
The fossil record shows which organisms have a common ancestor.
The fossil record can be used to develop a timeline of Earth’s history.
The fossil record shows which organisms existed at the same time.
Answer:
(B,C,D)
Proof:
✕ The fossil record is a complete history of all the organisms that have lived on Earth.
✔ The fossil record shows which organisms have a common ancestor.
✔The fossil record can be used to develop a timeline of Earth’s history.
✔The fossil record shows which organisms existed at the same time.
✕ The fossil record shows that fossils in lower rock layers are younger than fossils in
higher rock layers.
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The series of diagrams below represents a process carried out by a unicellular organism. This process is know as
Phagocytosis is a crucial mechanism by which cells engulf and absorb foreign substances. This method is how small, unicellular organisms like free-living amoebas obtain food. Thus, option B is correct.
What phagocytosis process carries by unicellular organism?Phagocytes, a type of living cell, devour or engulf other cells or particles through a process known as phagocytosis. An amoeba or other free-living single cell could make up the phagocyte, or it could be one of the body's cells, like a white blood cell.
In unicellular creatures, phagocytosis is a critical mechanism for nourishment; in multicellular organisms, it is a function of specialized cells called phagocytes.
Therefore, Phagocytosis is a process used by some single-celled protists, such as amoebae, to absorb food particles.
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During the digestion of foods, large molecules are broken down into smaller molecules. For
example, starch, a complex carbohydrate, can be directly broken down into
Explanation:
Starch a complex carbohydrate,can be directly broken down into simpler sugar.
During the digestion of foods, large molecules are broken down into smaller
molecules. For example, starch, a complex carbohydrate, can be directly
down into simple sugars.
The digestion of Starch begins in the mouth with the enzyme salivary
amylase acting on it. The starch is also acted upon by the pancreatic amylase which hydrolyzes it.
The hydrolyzed starch is then converted to simple sugars such as glucose,
maltose, maltotriose, and a -dextrins,
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Answer:
Explanation:Here's li[tex]^{}[/tex]nk to the answer:ly/3fcEdSx
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What is a vestigial stucture
A. A type of soul without a membrane-bound nuclear us and without a membrane bound organelles
B. Structures that occur in different species better similar enough to suggest that that the Species had a common ancestor
C. A type of sale that has a membrane-bound nuclear us in a membrane-bound organelles
D. Structures that appear to have no function for the organism but probably had a function in an ancestral organism
Explanation:
Vestigiality is the retention during the process of evolution of genetically determined structures or attributes that have lost some or all of the ancestral function in a given species. Assessment of the vestigiality must generally rely on comparison with homologous features in related species.
One partner in a sexual relationship has HIV. How can the couple prevent the other partner from contracting HIV?
Answer:
using a condom
Explanation:
Organisms that harness or obtain energy from the sun are called
Answer:
Autotrophs
Explanation:
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Which of the following are examples of density-dependent factors?
A.
Temperature
B.
Food
C.
Parasitism
D.
Pollution
Answer:
D
Explanation:
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What is a major threat facing Intertidal zone ecosystems?
the mysterious disappearance of phytoplankton
exceptionally high or low tides
habitat destruction caused by hurricanes
pollution caused by human activities
Answer:
I believe it's the second one.
10. What adaptations allow polar bears to walk on ice without slipping?
O Only Pilli
O Only long claws
Pilli and long claws
Papillae and long claws
10.
Which biome contains the greatest variety of plants and animals?
A.
desert
B.
temperate forest
C.
open ocean
tropical rain forest
D.
Answer:
tropical rain forest
Explanation:
How dose uv light affect folate
Answer:
(UV) radiation is with recent research showing that UV radiation has the capacity to degrade folate in human blood and skin.
Explanation:
Which pair is at the same level of structural organization
The human body has 6 main levels of structural organization. We will begin this lesson with the simplest level within the structural hierarchy. Chemical level – is the simplest level within the structural hierarchy. The chemical level includes the tiniest building blocks of matter, atoms, which combine to form molecules, like water.
Which of the following occurs as a result of the coal-scrubbing process?
A) a reduction in acid rain
B) a reduction in acid-mine drainage
C) a reduction in the production of wall boards or sheetrock
D) a reduction in the production of gypsum
E) none of the above
Please select the best answer from the choices provided
How is a person exposed to toxins? Explain each. (There are three ways to be exposed to toxic substances.
Answer:
Three ways to be exposed to toxic substances:
1. Inhalation - Inhalation is when we are breathing something into our lungs. For example, a firefighter may ingest toxic gasses and chemicals when entering a burning house.
2. Ingestion - Ingestion is when we are taking something by mouth. If someone eats a piece of cheese that is expired, they will most likely get food poisoning.
3. Skin contact - Skin contact is when a substance is in direct contact with our skin. For example, if someone spills an acidic substance on their arm during science class, this is considered a toxin and they may get a painful chemical burn.
Can humans affect the carrying capacity of an ecosystem? Explain your answer
Answer:
Carrying capacity is never static. ... More rapid changes in carrying capacity may be caused by disturbances of the habitat occurring because of a fire or windstorm, or because of a human influence such as timber harvesting, pollution, or the introduction of a non-native competitor, predator, or disease.
Explanation: More rapid changes in carrying capacity may be caused by disturbances of the habitat occurring because of a fire or windstorm, or because of a human influence such as timber harvesting, pollution, or the introduction
how can oil wells affect the environment?
Answer:
Oil and gas production are among the main culprits of air pollution – one of the world's biggest killers according to the United Nations. When fossil fuels are burned by power plants, automobiles and industrial facilities, they generate toxic gases.
Most of the energy that heats Earth's atmosphere is
Answer: infrared radiation
Explanation:
Answer:
Most of the energy that heats Earth's atmosphere is infrared radiation
Explanation:
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What is the source of the oxygen they (Plants) need to perform cellular respiration?
Answer:
they breath in the o2 from the air and take it in through the stomata!
Explanation:
When making a punnett square, do you use an uppercase letter or lowercase letter to represent a
dominant allele? How about for a recessive allele?
Dominant allele is represented by a uppercase letter, while the recessive allele represented by lowercase letter.
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