Question

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7.
(i)
(ii)
LONG ANSWER TYPE QUESTIONS.
What are the uses of rocks?
Wet clothes take longer time to dry on a humid day. Why give reason?​

Answer 1

Answer:

ans 1 -Rocks are used for many purposes but some of them that we can see in our daily life are cited below :

Making Cement (Limestone) (Sedimentary Origin)

Writing (Chalk) (Sedimentary Origin)

Building Material (Sandstone) (Sedimentary Origin)

Bath Scrub (Pumice) (Igneous Origin)

Kerb Stone (Granite) (Igneous Origin

Explanation:

ans2-On a humid day the air is full of water vapour. Hence, evaporation is very slow. This is the reason why wet clothes take longer time on a humid day.