What amount of earths total water supply is usable fresh water?
a. 25%
b. less than 1%
c. 50%
d. 75%

The correct answer is (b) Less than 1%

Water is the most important component of life. It is available in various forms on earth. The marine water and freshwater are the two sources that are available on earth. The distribution of water is as follows. Approximately over 68 percent of fresh water is found in glaciers and icecaps. Over 30% is found in the form of groundwater. Only 0.3 % of fresh water is available in lakes, rivers, and swamps which can be used by human population.

i believe you meant to say air rather than hair so the answer is below ")

the dead sea, the lowest place on earth at 430 metres (1,410 ft) below sea level, has a correspondingly high typical atmospheric pressure of 1065 hpa.

the answer is a) a shiprock was formed by igneous process