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pychu [463]
3 years ago
12

Is it a or d? B and c don’t make sense to me

Biology
1 answer:
Arlecino [84]3 years ago
8 0

Answer:

D. An observation is based on evidence, an inference is not.

Explanation:

When you infer something, you're basically guessing at it, while an observation is something that you can see and prove.

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  • <em>Other options, such as </em><u><em>an increase in food availability</em></u><em>, a</em><u><em> decrease in tuna fishing </em></u><em> or </em><u><em>a decrease in tuna predators</em></u><em>, are environmental factors that contribute to increased genetic variability.</em>

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