Question

1. Fill in the blanks.
(1) All living things need______
to live and grow.
(2) A___________
part of the earth's surface is covered with water.
(3) Rain-fed rivers are also called__________
rivers.
(4) Water__________
when heated.
(5)___________water can be drawn out by using handpumps.
(6)__________is the purest and main source of water on the earth.
(7) The process by which_____________
changes back to water is called condensation.
(8) The____________
helps to maintain the water level on the earth.​

Answer 1

Answer:

oxygen

one third

perennial

boils

ground

metal