When two continental plates collide, the edges of the continents fold upward. What will happen as a result of this plate movement? Select one:

Large mountain ranges will form.

A large canyon will form.

A wide plateau will form.

A large rift valley will form.

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.

Where is the world’s shortest commercial runway?

Based on current rates the earths human population is expected to grow how much by 2050