Soil Erosion Flashcards
1
Q
What is soil erosion?
A
The process of removing soil from a region of Earths surface
2
Q
How long does it take to form?
A
3000 to 12 000 years to form
3
Q
Explain how a v shaped alley is formed
A
in the upper course of the river near the source the river erodes vertically which deepens it
4
Q
What is a waterfall?
A
A vertical stream of water where a river flows over the edge of a steep place
5
Q
HDI combines:
A
life expectancy, adult literacy, GDP per capita
6
Q
social indicators reflect …
A
quality of life in a country
