What percent of water is not easily accessible or usable on earth?
*A. .6% B. 12.5% C. 50% D. 99% Subtract the answer from the last question from 100%. What does the remainder represent and what are the sources of this percentage of water?
A. 97% rivers only B. 1% lakes, rivers and ground water *C. 99.4% lakes only D. 50% atmosphere and soil moisture Thank You.