Red stone is from
million years when it was a jungle.
Please help it a fill in the blank

Which is the first surface that has the potential to come into contact with solar radiation? a. icebergsb. cloudsc. the oceand. land

Can someone list any possible solutions to air pollution ?

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.