The sphere of living matter together with water, air and soil on the surface of the earth is known as –

Related MCQs

• If there is no carbon dioxide in the earth's atmosphere, the temperature of earth's surface would be –
• The transfer of minerals from top soil to subsoil through soil-water is called?
• The organic matter present in soil is known collectively as –
• A special type of well in which water rises automatically under the pressure of a column of water to the ground surface through a hole is known as –
• The zone of Earth's atmosphere immediately above its surface up to a height of about 16 kms above equator and 8 kms over the poles is known as :
• The atmospheric layer farthest from the Earth's surface is known as–
• The layer of atmosphere close to the earth's surface is called –
• The deepest surface depression on the earth is –
• How much of the Earth's land surface is desert?
• The amount of insolation received at a place on the surface of the earth depends upon: