3. Water resources

Question 1

why is water important (3)

Answer 1

1. social equity
2. environment
3. economy

Question 2

water resource (1)

Answer 2

an ecosystem including water and habitats and aquatic biota

Question 3

hydrological cycle (3)

Answer 3

rainfall
->surface water and ground water
->evaporation

Question 4

partitioning of rainfall (6)

Answer 4

1. rainfall 100%
2. evaporation 65%
3. transpiration 20%
4. ground water 35%
5. blue/surface water 15%
6. fossil water 1%