Water stuff Flashcards
1
Q
The Hydrosphere
A
Consists of Earth’s water
2
Q
Most of Earth’s water (97.5%) is _____
A
salt water.
3
Q
Only ____ of Earth’s water is unfrozen fresh water usable for drinking or irrigation. (Most fresh water is frozen.)
A
0.5%
4
Q
Earth’s available _____ includes surface water and groundwater.
A
fresh water
5
Q
Freshwater ecosystems are a vital source of _____
A
drinking water.
