Biology

The correct answer is law.

A scientific law is a statement that describes a consistent and universal relationship or pattern observed in nature, which always occurs under certain conditions. Laws are often expressed mathematically and describe what happens, but they do not explain why it happens.

Here's why the other options don't fit:

A.Theory: A theory is a well-substantiated explanation for why something happens in nature, based on evidence and experimentation. It explains the why but not the what that laws describe.

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