Explain
Give two examples of how abiotic factors are influenced by biotic factors?

ANSWER:

The abiotic factors will define which organisms are able or not to live in a specified place. The living organisms will constitute the biotic factors, which define if and how can an organism live in a specified environment. So, the abiotic factors are controling the biotic factors of an environment.

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of those who start drinking before they're 15 will develop alcohol dependence

answer; polycythemia is the correct answer;