Stars form when a(n) collapses under its own weight. a. interstellar medium b. planetesimal c. molecular cloud d. lunar rock

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.

Which question did the author of how to grow a school garden consider about the audience before writing the project plan