Author: Aroma Ann

A. Good for eco system
B. Good for man
C. The balance of nature
D. None

A. The temperature at which the earth is absorbing solar radiation and emitting infrared radiation at equal rates
B. The temperature at which the earth is radiating energy at maximum intensity
C. The average temperature the earth must maintain to prevent the oceans from freezing solid
D. The temperature at which rates of evaporation and condensation on the earth are in balance

A. The clouds absorb and radiate infrared energy back to earth
B. The water droplets in the clouds reflect infrared energy back to earth
C. The clouds start convection currents between them
D. The clouds are better conductors of heat than is the clear night air
E. The formation of the clouds releases latent heat energy

A. That kill fishes
B. That kill insects
C. That kill rats
D. That kill crocos

A. The air temperature equals the wet-bulb temperature
B. The relative humidity is 100 percent
C. The air temperature equals the dew point temperature
D. An increase in temperature will cause condensation to occur
E. The wet bulb temperature equals the dew point temperature

A. Farmers
B. Coal miners
C. Textile industry workers
D. Sweepers

A. Tropical deciduous forest
B. Tropical rain forest
C. Temperate deciduous forest
D. Temperate evergreen forest

A. Odum
B. Clements
C. Tansley
D. Charles Elton

A. Primary water treatment
B. Secondary water treatment
C. Tertiary water treatment
D. Final process

A. Landforms
B. The oceans
C. The atmosphere
D. Outer space
E. Extraterrestrial meteoroids that enter the atmosphere