| A | B |
|---|
| This is the surface layer of soil, and it contains many nutrients | topsoil |
| An even in which water covers an area of land that is usually dry | flood |
| Idea that giant plates of rock are moving slowly across Earth's surface | plate tectonics |
| Small pieces of rock broken off from larger rocks due to weathering | sediment |
| Cracks in the Earth's crust along which movement takes place | fault |
| molten rock found below Earth's surface | magma |
| molten rock found above Earth's surface | lava |
| Forces that build up the Earth's surface | constructive force |
