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yuradex [85]
3 years ago
8

Which factors add to the greenhouse effect and are caused by human activities? Select two options.

Biology
2 answers:
valentina_108 [34]3 years ago
8 0

Answer:

A C

Explanation:

still following others

yuradex [85]3 years ago
3 0

Answer:

A and C

Explanation:

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Which answer helps to explain why all living cells need ph buffers?
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Answer;

Amino acid side chains have many carboxyl and amino groups.

Explanation;

-A buffer solution is a solution that resists changes in pH when small quantities of an acid or an alkali are added to it. It is a chemical substance that helps maintain a relatively constant pH in a solution, even in the face of addition of acids or bases.

-Buffering is important in living systems as a means of maintaining a fairly constant internal environment, also known as homeostasis.Small molecules such as bicarbonate and phosphate provide buffering capacity as do other substances, such as hemoglobin and other proteins.

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4 0
3 years ago
Name two places on earth where organic molecules could have been synthesized
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Answer:

Deep hydrothermal oceans and the atmosphere

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8 0
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