In the video on production possibilities curves, Mr. Clifford talked about opportunity
cost. Using what you learned in that video, as the production gồant
increases what happens to the production quantity of the other?
Cannot answer with
this information
Stays the same
Increases
Decreases

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics? he proposed that plates carry parts of the seafloor. he theorized that pieces of earth move for a limited time. he suggested that the asthenosphere is broken into segments. he observed seafloor cracks similar to existing cracks in the continents.

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.

The ozone hole is at its biggest each year in the ? hemisphere in the ? season.