The amount of solar radiation reaching the surface of earth is known as:
A. Solvents
B. Solar flux
C. Reflected light
D. None of these
Which gas is to be reduced in the atmosphere by deforestation?
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Sulpher dioxide
All forms of water that comes down on earth is known as:
A. Fixation
B. Accumulation
C. Precipitation
D. None of the above