Key Words Geography (Physical) Flashcards
1
Q
Active layer
A
the surface layer that is thawed seasonally in periglacial environments
2
Q
adaptation
A
fitting into the natural system and local ways of life, which may involve changing behaviour
3
Q
aridity index
A
a measure of aridity - it is the ratio between mean annual precipitation (P) and mean annual potential evapotranspiration (PET)
4
Q
atmosphere
A
the air that surrounds the earth
5
Q
biodiversity
A
the range of living organisms within a species, between species and in an ecosystem
6
Q
biome
A
a large scale ecosystem
7
Q
block separation
A
rocks with a clear pattern of joints and bedding plains break apart in the form of blocks
