Aperson's perception of the world is known as a regional map.

What is the result of the greenhouse effect? a. heat is deflected from the atmosphere. b. heat is released from the atmosphere. c. heat is kept in the atmosphere. d. plants are able to grow in the tropics where the air is the heaviest.

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

Hurricanes a. usually form over land b. usually intensify over land c. gain strength from ocean heat d. usually form over the poles