Oxygen is a survival need. Why is it so important?
2 answers:
Answer:
oxygen
Explanation:
oxygen is an essential nutrient which the body needs especially during respiration.
it help the blood cells do provide energy.
without oxygen, there is no gaseous exchange
Answer:
Because it's the only gas that can support life and without it o no human or animal can survive
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Is there examples or choices to choose from?
Answer:Steroids like cholesterol are lipids and have a ring structure
Explanation:
It is polymerase chain reaction hope this helps
Answer:
TAAGCCGATAAATGCTAACGGTA
Explanation:
A pairs with T
G pairs with C
vise versa
