Fill in the blanks:
(a) The process of changing water into its vapour state 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 the region.
(d) Excessive rains may cause _______ __.
(a) The process of changing water into its vapour state is called _evaporation__.
(b) The process of changing water vapour into water is called _condensation__.
(c) No rainfall for a year or more may lead to __drought__ in the region.
(d) Excessive rains may cause __floods__.