| A | B |
| Trapping heat in the atmosphere is known as the | Greenhouse effect |
| What is relative humidity | The amound of water the air is holding at a given time |
| Why does the earth's temperatures remain fairly stable? | Because heat is held in by the earths atmosphere. |
| What type of couuds are cumulonimbus clouds | Thunderstorms |
| What is a front | Boundry between high and low pressure masses. |
| What type of pressure is present for a Cyclone to ocur? | Low |
| How does a thunderstorm begin? | Three basic ingredients are required for a thunderstorm to form: moisture, rising unstable air (air that keeps rising when given a nudge), and a lifting mechanism to provide the "nudge." |
| Why do Hurricanes soon die out after reaching land? | They lose their source of energy ( warm water vapor) |
| In the northern hemisphere earth experiences warm summer weather why? | The Earth is tilted and druing the summer the Sun's rays fall directly on the Northern Hemisphere |