click below
click below
Normal Size Small Size show me how
Geo 101 final review
Weathering, Erosion, Mass Movement
| Question | Answer |
|---|---|
| What are the two most common chemical elements in the Earth's atmosphere? | nitrogen and oxygen |
| What is the general process by which rocks are broken down at the Earth's surface? | weathering |
| Unaltered rock of any kind | bedrock |
| A layer of broken pieces of rock and slightly altered rocks that overlies the bedrock | regolith |
| A layer of unaltered material | soil |
| Factors that control weathering | climate, presence or absence of soil, length of exposure, size |
| Principle agent of chemical weathering | water |
| Clay produced by the weathering of feldspar | kaolinite |
| What force moves materials downhill? | gravity |