Ocean-centered geography explains cultural ties because:
A. trade influences culture regardless of distance.
B. landmasses are seen as barriers to sea travel.
C. shipping is the most effective means of transporting goods.
D. of the groundwork laid by the ancient spice trade.

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 organ that has two atria and one ventricle is the

Which of the following is not a place where hydrogen can be found on earth? a. natural gas well b. atmosphere c. water d. mine