HensonR302345 HensonR302345

25-10-2022
Chemistry

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A testable question is, “How does the amount of exercise affect heart rate and breathing rate?” Which is a controlled variable?O Amount of exerciseO Heart rateO Breathing rateO Temperature in the room

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MeekoA535990 MeekoA535990

25-10-2022

Answer

Temperature of the room

Explanation

The room temperature can be controlled compared to all other options.

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