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Luden [163]
2 years ago
11

Why does warm air rise? Why does cool air sink?

Biology
1 answer:
Sever21 [200]2 years ago
5 0
I know the answer to this but I need you to answer my math question
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Why is it essential for a balance to exist between the sympathetic and parasympathetic nervous systems?.
Lorico [155]

Answer:

When the sympathetic and parasympathetic systems are in balance, the tendency is to rest often and easily allowing for renewal and healing to the body. The balance between the two systems is a key step toward greater health and wellness!

Explanation:

8 0
2 years ago
Place these steps of the insulin signaling pathway in the correct order from insultin is secreted to glucose enters the cell. Pl
horsena [70]

Answer:

1. Binding of insulin to the alpha subunit of the insulin receptor

2. Activation of insulin receptor tyrosine kinase

3. Phosphorylation of IRS proteins

4. Activation of PIP3-dependent protein kinase B (PDK1)

5. Phosphorylation of phosphinositide 3-kinase (PI-3K)

6. Conversion of PIP2 to PIP3

7. Activation of Akt

8. Glut4 receptors transported to cell membrane

8 0
3 years ago
Which statement about life on Earth is true? a)Dinosaurs appeared before insects. b)Dinosaurs and insects appeared at the same t
musickatia [10]
The answer is D, Because dinosaurs appears in the Triassic period while insects appeared in the Devonian period which is about 160 million years about, which rules out A and B. Humans have been on Earth for almost 3 million years, which is nothing compared to the history of life in earth, which about 4,000 million years of life history, so D
3 0
2 years ago
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The process of ____________ increases genetic variability as it produces gametes for sexual reproduction.
otez555 [7]
The phrase to fit into the blank is "sexual reproduction"!
In sexual reproduction each of the parents produces a gamete and contributes to half of the  offspring's genes. This means that the offspring is a unique composition of the two parents.

In contrast, in a asexual reproduction, the offspring would likely have the same genetic code as the parent.
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7 0
3 years ago
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4) In which cellular process is carbon dioxide used from the atmosphere?
yKpoI14uk [10]

Answer:

photosensitive

Explanation:

we breathe in oxygen and breathe out carbon dioxide then all that stuff goes in the air and back into plants where it produces oxygen

8 0
2 years ago
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