Convective zone is the answer. If you need an explanation just ask.
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Answer:
D.
Explanation:
In biology, a gene is a sequence of nucleotides in DNA or RNA that codes for a molecule that has a function.
Answer: it is to prepare the six-carbon ring for cleavage
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Answer: C) gas bubbles
Explanation:
An abiotic factor is the factor which influence the life of living beings on earth. The formation of gas bubbles inside the swamp is the example of abiotic factor.
The gas bubbles are formed inside the swamp, marsh or bog. It consists of the mixture of hydrogen sulfide, carbon dioxide and methane. These gases produce naturally in these water bodies due to anaerobic digestion and fermentation of the animal or plant matter inside the water body which results in the formation of bubbles in the body of water.