EQ 2 sub-aerial processes Flashcards Preview

PHYSICAL GEOG : Coastal landscapes and change > EQ 2 sub-aerial processes > Flashcards

Flashcards in EQ 2 sub-aerial processes Deck (4)
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1
Q

weathering

A

the in-situ breakdown by chem, mechanical or biological agents.

2
Q

what is biological weathering?

A

weathering that speeds up mechanical or chemical weathering through the action of plants, bacteria or animals.

3
Q

give an example of chemical weathering

A

carbonation- dissolution of limestone and otehr carbonate rocks due to rainfall

4
Q

give an example of biological weathering

A

Tree and Plant roots growing in cracks and fissures forcing rocks apart - can contribute through vegetated cliff tops contribute to rock falls