If x = 10, y = 5, and z = 11, what is the tangent ratio for g

Which of the following is not considered one of the four major oceans (1 point)

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 layers of earth are based on what two sets of characteristics?