Chinese stirred and mixed the clay with water until it was the right consistency to use. The clay was shaped on a

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.

All of the following are extrusive landforms except           a. batholiths.   b. lava plateaus.   c. shield volcanoes.   d. geysers.  

Which of the following is an environmental cost of agriculture? a. agronomyb. cash cropsc. pollutiond. crop rotation