Question 1

Fill up the blanks in the following:
(a) The process of changing of water into its vapour is called _________________.
(b) The process of changing water vapour into water is called _________________.
(c) No rainfall for a year or more may lead to _________________ in that region.
(d) Excessive rains may cause _________________.

Answer

(a) Evaporation

It is the process of conversion of water into the vapours.

(b) Condensation

The cooling of water vapours and then conversion into water is known as condensation.

(c) Drought

Drought is the condition where lack of water occurs in the excessive amount.

(d) Flood

Flood is the condition in which excess amount of water occurs.

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