| A | B |
| climate | describes the region's average weather conditions over a long period of time |
| monsoons | winds that shift direction with the seasons and create wet and dry periods |
| prevailing winds | winds that blow in the same direction over large areas of Earth |
| deforestation | loss of forestland |
| extinct | when a species dies out |
| hydroelectric power | the production of electricity by moving water |
| weather | short-term changes in the air for a given place and time |
| as large as the entire Earth | how large an ecosystem can be |
| vacation | what people typically do in Mediterranean climates |
| water | heats more slowly than land |
| wind | caused by the rising and sinking of air |
| severe weather | often happens when warm and cold air masses meet |
| renewable resources | air and water are examples |
| natural gas | cleanest-burning fossil fuel |