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Humus
Explanation:
Also known as the uppermost layer of soil, that's for making soil more fertile due to its organic content.
Answer:
Due to there being more kelp, more crabs will survive and this will increase the crab population.
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Answer:
Gene expression is the process by which the information encoded in a gene is used to direct the assembly of a protein molecule. The cell reads the sequence of the gene in groups of three bases.
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Answer:
Conserving water is important because it keeps water pure and clean while protecting the environment.
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