I think it’s to control the total fertility rate
The geosphere has four subsystems called the lithosphere, hydrosphere, cryosphere and atmosphere. these subsystems interact with each other and the biosphere, they work together to influence climate, trigger geological processes and affect life all over the earth
In 1846, the planet Neptune was discovered after its existence was predicted because of discrepancies between calculations and data for the planet Uranus. Astronomers found the new planet almost exactly at the position predicted by the calculations of Urbain Jean Leverrier.
Most of the Earth's water is stored in the Oceans - think of how huge the Pacific Ocean is for example!
So the correct answer is b. About 97% of the Earth's water is ocean water.
Ocean water is not good for drinking for people, and post of freshwater is stored in glaciers.
