Help me please on geography

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.

Which nation is home to the bass rock in the firth of forth?

Which of the following are warning signs that a volcano will soon erupt? select all that apply a - earthquakes or tremors b - ground swelling c - color changes d - smoke plumes