Answer:
Carbon dioxide
Explanation:
The carbon combines with oxygen to form carbon dioxide (CO2) and is released back into the atmosphere as a waste product when animals breathe and exhale.
I think it's the first and second option but I could be wrong because I don't know much about deserts :)
They both can expel water from the polymer network
The correct answer is meiosis. This is because a zygote is a 2n diploid cell caused by human fertilization witch is meiosis. This shows that the correct answer is meiosis. There are two things needed witch are the two gametes. These two gametes are called the egg(female) and the sperm(male).
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