Water Cycle Flashcards
1
Q
What is the average daily water usage per person in the US, India, and Mali?
A
US: 156 gallons
India: 38 gallons
Mali: 3 gallons
2
Q
at percentage of water on Earth is freshwater?
A
3%
3
Q
How much of the freshwater on Earth is readily available for human use?
A
Less than 1%
4
Q
What percentage of the freshwater on Earth is suitable for drinking?
A
Less than 0.0007%
5
Q
What are the major stores of water on Earth and their percentages?
A
Hydrosphere (surface): 95.6%
Atmosphere (air): 0.001%
Cryosphere (frozen): 1.7%
Lithosphere (crust): 1.7%
6
Q
In which area does 71% of the Earth’s rainfall occur, and why?
A
The tropics
Because this area receives the most solar energy
