Why naturally occurring greenhouse effect is important?
A. It maintains the temperature of earth at average 15 °C.
B. It maintains the temperature of earth at 18 °C.
C. It maintains lot of greenery on the surface of the earth.
D. It maintains level of ozone in atmosphere.
Answer:A
Why naturally occurring greenhouse effect is important?
A. It maintains the temperature of earth at average 15 °C. B. It maintains the temperature of earth at 18 °C. C. It maintains lot of greenery on the surface of the earth. D. It maintains level of ozone in atmosphere.