Asked by Cassie

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.
Answered by Ms. Sue
Nope.

http://www.unesco.org/bpi/science/content/press/anglo/10.htm
Answered by Cassie
Then it would have to be the opposite of what I am thinking - 99% for the first question and 1% for the second....right?
Answered by Ms. Sue
Right. Questions written in the negative are always tricky. <g>

Answered by Cassie
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?
Answered by Ms. Sue
Yes.

You're welcome.

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