What term refers to the salt content of water?

Ahill is made of rock particles of different sizes. which of these agents of erosion probably caused the hill to form?

Which of the following is not a challenge to instituting sound global environmental policies? a. most changes are inexpensive and easy to implement. b. elected leaders who support unpopular environmental issues often are not re-elected. c. economic considerations outweigh environmental ones in many societies. d. there is no way to enforce international environmental agreements.

In the developed world, describe the changing role of women in agriculture.