Question

Water is perhaps man's most important natural resource. He needs it for drinking
and home uses, for agriculture, for the power to run his machines. and even for
boating, fishing and relaxation. But usable water is not as abundant as the
demand for it has been. For centuries men have fought each other over their
rights to use springs, streams, and rivers which are so essential to life. Because
the earth's water supply is not distributed evenly, one area suffers from tloods
while another is parched and dried up and still another enjoys ideal conditions,
Much of man's energy has been spent in diverting rivers and streams and digging
wells and canals. Unfortunately, man has not been very successful in his efforts
to redistribute his water supply evenly.
Man's efforts to control water were not always successful. Although wonderful
progress was made in some areas, such as when desert regions became, green and
fertile, in other areas great harm was done. The delicate balance of nature is upset
by lowering water levels or by polluting rivers with industrial wastes.
Sometimes the whole climate of an area is affected by water changes. In
earlier centuries, man satisfied his needs by living only were water was abundant
If the land became damaged, he would move to a better location
Hydrologists have already discovered many possible ways to help the earth's
water problems, but a practical application of many of them is not yet possible.
mainly because of the expense.​

Answer 1

Resposta:

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Explicação:

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