Earth's life support systems Flashcards
1
Q
Absolute humidity
A
mass of water vapour in a given volume of air
2
Q
Abstraction
A
extraction of water from rivers & boreholes for public water supply, agriculture; etc.
3
Q
Abyssal plain
A
Deepest part of ocean
* covering vast areas of ocean floor
* subamarine mountain chains & trenches interrupt the relatively flat plain
4
Q
Accumulation
A
The addition or gain of snow & ice to a glacier overtime
5
Q
Acidification
A
decreasing pH
e.g. of the oceans due to an increase in the uptake of CO2 from the atmosphere
