The answer is a) manganese nodules
Answer:
1) option a) is correct.
2) option a) is correct
3) option b) is correct
4) option b) is correct
Explanation:
1) option a) is correct.
as the air rises the pressure decreases.
2) option a) is correct
in completely unsaturated atmosphere sky looks clear.
3) option b) is correct
when a parcel of air that is cooler than the surrounding air at all elevations then is the condition of absolute stability.
4) option b) is correct
During the Bergeron (Ice-crystal process) of precipitation, at the expense of surrounding super cooled liquid ice crystal grow large.
That the speed of its expansion is increasing
Covers one half of the earth is not a characteristic because deserts simply do not cover half the earth