How does the sun to protect life on earth?

Which objects allow humans to access groundwater? check all that apply.

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.

Wich of the following is not likely to appear on a map