Question

hey guys answer this question

give two example a change involving interacting between two materials?
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Answer 1

Answer:

For example water absorb heat energy to convert into steam and release heat energy when change into ice. 2) Yes, all changes around us involves interaction between two or more materials. ... 3) On heating solids will expand. Due to this reason two glass tumblers are placed that fixed tightly to each other in hot water.

Explanation:

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