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04.03.2021 •
Chemistry
Question 2 (1 point)
Which of the following does NOT involve a chemical reaction?
Fallen leaves decay in a compost pile.
Leaves change color in the fall.
O A fire burns a pile of fallen leaves.
A pond freezes over in the winter.
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Ответ:
D. A pond freezing over is not a chemical reaction, it is a physical reaction.
Ответ: