What percent of water is not easily accessible or usable on earth?

Question

*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.

Answer 1

Nope.

http://www.unesco.org/bpi/science/content/press/anglo/10.htm

Answer 2

Then it would have to be the opposite of what I am thinking - 99% for the first question and 1% for the second....right?

Answer 3

Right. Questions written in the negative are always tricky. <g>

Answer 4

Thank you very much.

One more question ms. Sue:

Would that mean that oceans/saltwater, glaciers, ice caps, ice and snow are all unusable sources of water?

Answer 5

Yes.

You're welcome.