When the toy is falling down the steps some of the Kinetic energy is changing to potential energy. As it is still falling some of the potential energy changes to kinetic energy.
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Answer:
I'm sorry didn't understand
Answer:
I think it would be the last answer
Explanation:
Answer:
c. contraction
Explanation:
Heating will cause substances to expand, or change their state (like solid to liquid) or it may be a chemical reaction.
