| A | B |
|---|
| pangaea | when our modern day continents were a giant continent 500 million years ago. |
| continental drift | the theory that the continents were once joined and then slowly drifted apart |
| plate tectonics | the term scientists use to describe the activities of continenetal drift and magma fow which cheated many of Earth's physical features |
| weathering | chemical or physical processes, such as freezing, that breaks down rocks |
| erosion | wearing away of the Earth's surface by wind, flowing water, or glaciers |
| desalination | the removal of salt from sea water to make it usable for drinking and farming |
| polder | low lying area from which seawater to make it usable for drinking and farming |
| polder | low lying area from which seawater has been drained to create new formula |
| acid rain | precipitation carrying large amounts of dissolved acids which damages buildings, forrests, and crops, and kills wild life |
| deforestation | the loss or destruction of forests, mainly for logging farming. |
| weather | condition of the atmosphere in one place during a short period of time. |
| climate | weather patterns typical for an area over a long time |
| monsoon | In Asia, seasonal wind that brings warm, moist air from the oceans in the summer and cold, dry air from inland in the winter |
| proximity | nearness to something |
