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Which scientific investigation describes a field study?

A. A scientist investigates a mouse’s growth in nature by watching the animal.

B. A scientist designs a tool to investigate a mouse’s growth.

C. A scientist studies a mouse’s growth in a laboratory.

D. A scientist controls the amount of food and exercise a mouse gets in an experiment.

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Answer:

A. A scientist investigates a mouse's growth in nature by watching the animal.

A field study is a raw collection of data, typically in the natural habit of the organism; hence why an experiment taken in a lab isn't a field study.

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