Lec 1 Flashcards
1
Q
What 4 factors make water unique?
A
►low melting point
►low boiling point
►high heat capacity/latent heat
►denser as liquid than a solid (max. 4oC)
2
Q
What percentage of the planet surface is water?
A
70%
3
Q
What are water withdrawals?
A
water that is taken
from surface water (rivers, lakes) and
groundwater sources
4
Q
Rank the main water use sectors
A
Agriculture
Industry
Household
5
Q
What % of total runoff is withdrawn every year?
A
10%
