| A | B |
|---|
| nitrogen | air is mostly made of this gas |
| oxygen | animals use this to get energy |
| carbon dioxide | plants use this to make their food |
| water vapor | makes clouds and precipitation |
| atmosphere | blanket of air that surrounds earth |
| troposphere | layer that all life and weather occurs in |
| weather | condition of the atmospher at a certain time and place |
| greenhouse effect | process by which heat from earth is trapped by the atmosphere |
| wind | movement of air |
| land breeze | warm air over the sea rises |
| sea breeze | warm air over the land rises |
| dense | closely packed together |
