| A | B |
| The equator always receives | 12 hours of intense sunlight |
| The earth absorbs mostly | short wavelength light energy |
| the earth reradiates mostly | long wavelength heat energy |
| Gases such as carbon dioxide | prevent the escape of heat causing the greenhouse effect |
| Marine climate has | cool summers and warm winter |
| Continental climate has | cold winter and hot summers |
| Leeward side of a mountain is | dry and warm due to compression |
| Windward side of a mountain is | cool and moist due to expansion |