\"Consumed\" water is water that has been withdrawn from its source but then: Se

Question

"Consumed" water is water that has been withdrawn from its source but then: Select one: O a. is returned through runoff. D | b. is not returned to the original source. DI IC. is not returned until it rains Dd. is returned through evaporation. A major theme for the solution to many problems of environmental science is Select one: Da. input increase. O b. input reduction. D c.output change. d. output equilibrium About Iil 96 of the water on the Earth is saltwater Select one: a. 50 b. 70 ?. 80 d. 98

Explanation / Answer

1) B( it is returned but not to the original source)

2) D ( Input-Output should equilibrium)

3) D ( 98% is salt water)

4) C ( agriculture uses 70% water worldwide)

5) C ( it can't prevent sedimentation)

6) A ( water get purified)

7) D ( water is present in glacier and ice caps is 69% of 2% fresh water)

8) B ( in coastal aquifer it is dominant because of ocean)

9) A( it is costly )

10) A ( it is evenly distributed)

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