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Verdich [7]
2 years ago
10

How many national parks are in the u.s

Biology
1 answer:
Brrunno [24]2 years ago
8 0

Answer:

the us has 63 national parks, which are congressionally-designated protected areas operated by National Park service, an agency of the department of the interior.

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Excess post-exercise oxygen consumption is the extra amount of oxygen consumed after the completion of exercise and before respi
Scilla [17]

The extra oxygen is used to restore muscle fibers to their pre-exercise state by doing all of the following except facilitating calcium release from the sarcoplasmic reticulum in the muscle fiber. Thus, the correct option is B.

<h3>What is Respiration?</h3>

Respiration may be defined as the process of acquiring oxygen from outside the body and utilizing it in the process of breakdown of food sources for cellular needs.

The extra oxygen works in the muscle fiber by replenishing the ATP, restocking the myoglobin, and supplying the ATP used to replenish glycogen stores in the muscle fiber.

Therefore, the correct option for this question is B.

To learn more about Respiration, refer to the link;

brainly.com/question/18169685

#SPJ1

5 0
2 years ago
The term voltage describes the:
andrezito [222]

Answer:

The term voltage describes the electrical potential difference between two points.

Let me know if this helps!

4 0
3 years ago
Read 2 more answers
How could the flood have been responsible for the formation of fossils?
iVinArrow [24]
The Biblical flood would have caused the death of all life on earth, except for those on the arc, which would have resulted in fossils that are now found. Fossils being found in different layers of rocks could have been a result of how they settled as the waters receded.
7 0
3 years ago
Please help with all three
ss7ja [257]
Q6: A
Q7:D
Q8:C

Reasoning
Q6: Based on all the other questions talking about common ancestors I deduced that to find a “common” ancestor they need to find things that are the same.

Q7: All arthropod have a exo skeleton for example a lobster or crab. They all have a head, abdomen and thorax for example ants. They all have legs with joints for example a spider.

Q7:So bones are traveled down by ancestors so the types of bones stay the same but natural selection has changed them to better fit their environment.
8 0
3 years ago
3. In tropical regions,
marin [14]

Answer:

a, a permanent thermocline traps nutrients in the deep water

b. primary productivity is high all year round, because there is a constant supply of solar energy for  photosynthesis.

Explanation:

Thermocline occurs in the tropical regions because the temperature is very high which warms the upper layer of water bodies whereas the lower layer of water has low temperature due to no sunlight. The primary productivity is high all year in the tropical regions, because there is a constant supply of sunlight that is needed by the plants for  preparing their own food.

3 0
2 years ago
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