rivers and coasts

Question 1

Four types of weathering

Answer 1

freeze-thaw, onion skin (exfoliation), chemical and biological weathering.

Question 2

what are the four types of river erosion

Answer 2

solution-water dissolved minerals and helps break up.
abrasion-when they scrape against the river bed and banks and wear them away
hydraulic action- when its forced into cracks in the bank and breaks up.
attrition-when they crash together and break apart

Question 3

what is Caves, arches, stacks and stumps

Answer 3

Weathering and erosion can create caves, arches, stacks and stumps along a headland.

Question 4

what is Meanders and oxbow lakes

Answer 4

the meander is the bend in the river and the oxbow lake is were when the necks of the oxbow lake starts to erode, the neck disperse and leaves the oxbow lakes on the sides of the lack

Question 5

what is Coastal defences – how do these protect the coastline

Answer 5

Sea walls aim to protect the coast by shielding it with concrete, steel and stone.

Question 6

whats Longshore Drift

Answer 6

its were the tried pull rocks away from shore and diagonal and back in