Vidyalelo
Agriculture · Q57

Environmental Science In Agricultural

Graduate and Post Graduate · Agriculture · question 57

Q57

Terrestrial life would become impossible with

A.
Change in orbit of earth
B.
Change in atmosphere permitting all solar radiations to reach lithosphere
Answer
C.
Disappearance of moon
D.
Decrease in mean annual temperature by 10°C

Answer: Option B

Solution

Answer: Option B
Solution:
Terrestrial life would become impossible with Change in atmosphere permitting all solar radiations to reach lithosphere.
Earth's climate system is a complex system having five interacting components: the atmosphere, the hydrosphere, the cryosphere, the lithosphere and the biosphere.
The Earth absorbs most of the energy reaching its surface, a small fraction is reflected. In total approximately 70% of incoming radiation is absorbed by the atmosphere and the Earth's surface while around 30% is reflected back to space and does not heat the surface.