Question

(b) Debfine expansion.
Ans

I) Define melting .​

Answer 1

Explanation:

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Answer 2

Answer:

Expansion is what happens when something becomes bigger or more extensive. If you enjoy good pastry, you will be excited by the expansion of the bakery, but be careful or you will also see the expansion of your waistline. The noun expansion is from the Latin word expansionem, which means a spreading out.

Explanation:

The process in which a solid changes to a liquid is called melting. ... The melting point is the temperature at which a solid changes to a liquid. For a given type of matter, the melting point is the same as the freezing point.

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