Q42
Biosphere extends from ocean bottom to mountain tops to a distance of
A.
7.5 km
B.
22.5 km
AnswerC.
12 km
D.
75 km
Answer: Option B
Solution
Answer: Option B
Solution:
Biosphere extends from ocean bottom to mountain tops to a distance of 22.5 km.The biosphere is the global ecological system integrating all living beings including their interaction with the elements of lithosphere, cryosphere, hydrosphere and atmosphere.
Life forms live in every part of the Earth's biosphere, including soil, hot springs, inside rocks, deep underground, and high in the atmosphere.