Question

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Answer 1

Answer:

1)a) evaporation

b)evaporation

c)melting

d) sublimation

2.a). 0℃=273°Kelvin

now, -100℃=173°Kelvin

b)now,30℃=301°Kelvin

3.a)the point where a substance begin to melt is called melting point.

Generally only solids have melting point.

b)It is the process of making water vapours from water by heat energy.

Evaporation brings cooling.

4.cotten absorbs sweat and make the vapour dry in air and thus gives us coolness through evaporation.

5.There are 3 primary states.solid ,liquid , gaseous.

Other two are. Plasma,. Bose-Einstein Condensate.

hope it helps you dear☺️☺️☺️