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anyanavicka [17]
2 years ago
8

Why does the thermosphere increase in temperature as altitude increases?

Biology
1 answer:
Wewaii [24]2 years ago
7 0

Answer:

The thermosphere is the outer layer of the Earth's atmosphere, extending from about 53 miles to more than 370 miles above the surface. The temperature increases rapidly in this layer due to the absorption of huge amounts of incoming high energy solar radiation by atoms of nitrogen and oxygen.

Explanation:

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2. Describe the role of the following in maintaining a constant body temperature in humans:
Alex_Xolod [135]

Answer:

Muscles can also receive messages from the brain when the body temperature decreases. They respond by shivering. Shivering causes the muscles to contract and relax quickly. This process generates heat.

6 0
2 years ago
The diagram below shows the structure of a mitochondrion.
sladkih [1.3K]

Answer:

it's the outer membrane

Explanation:

because the outer membrane helps the mitochondrian with respiration

6 0
3 years ago
What sperates the left and right side of the heart
ra1l [238]
The left side of the heart collects oxygen-rich blood from the lungs and pumps it to the body. The left and right sides of the heart are divided by walls<span> called septums. There is an atrial septum that separates the right and left atriums, and a ventricular septum that separates the right and left ventricles.</span>
4 0
3 years ago
Read 2 more answers
Cell division is preceded by two growth phases. Besides growth, both G1 and G2
Leviafan [203]

Answer:

A

Explanation:

a. contain checkpoints that determine if the cycle will continue.

b. help move chromosomes to the new daughter cells.

c. produce more chromosomes before the cell divides.

d. grow and produce enough cytoplasm to fill two cells.

<em />

<em>The correct answer would be that G1 and G2 contain checkpoints that determine if the cycle will continue or otherwise.</em>

The cell cycle generally has three checkpoints that happen at G1, G2, and M phase of the cycle.

At G1 checkpoint, the integrity of the DNA of the cell is assessed to ensure that there are no damages and other conditions such as size and energy reserve are checked.

At G2 checkpoint, the cell is assessed for proper chromosome duplication to ensure that there are no mistakes or damages. The size of the cell and the amount of protein are also checked to ensure that the cell is ready for the active division phase.

At M checkpoint, correct attachment of the spindle fiber to the kinetochore of the chromosomes is checked. This checkpoint is also known as the spindle checkpoint and it happens towards the concluding phase of the metaphase stage.

<u>The correct option is therefore, A.</u>

6 0
3 years ago
True or false? There are only a few places in the food supply where pathogens can be introduced
Dmitriy789 [7]

Answer:

False

Explanation:

There are multiple ways in which the food supply can be introduced to pathogens e.g.

1)inadequate handwashing.

2)cross-contamination.

3)storage and cooking temperatures.

4)contamination of food by animal waste

8 0
2 years ago
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