geo Flashcards
weathering
1
Q
what are the three types of weathering
A
physical
chemical
biological
2
Q
what is weathering
A
weathering is the process by which rocks are physically broken down or chemically modified by climatic or biological elements
3
Q
what is physical weathering
A
physical weathering is the breaking down of rocks into smaller fragments
4
Q
what is chemical weathering
A
decay of rocks caused by alternation of the mineral composition of the rocks through chemical reactions with water and air
5
Q
what is biological weathering
A
breakdown of rocks caused by living organisms
