CGPSC: Part-1 Sec.8. Environment

The thickness of the ozone in a column of air from the ground to the top of the atmosphere is measured in terms of

Consider the following statements and choose the right options given below. (1) Earth's surface re-emits heat in the form of Ultra-violet radiation. (2) Clouds and gases reflect about one fourth of the incoming solar radiation.

Consider the following statements and choose the right option given below. (1) Presence of large amounts of nutrients in water also causes excessive growth of planktonic (free-floating) algae, called an algal bloom. (2) Algal bloom causes deterioration of water quality and fish mortality.