F2 - SEM1 - The Trouble of Water - 1.2

Question 1

What is water resources?

1.2 How are global water resources distributed

Answer 1

freshwater that is available for human use

1.2 How are global water resources distributed

Question 2

What is the percentage of saltwater and freshwater on Earth?

1.2 How are global water resources distributed

Answer 2

• 97% saltwater
• 3% freshwater

1.2 How are global water resources distributed

Question 3

Where does the freshwater comes from?

1.2 How are global water resources distributed

Answer 3

• 68.7% ice caps and glacier
• 30.1% ground water
• 0.3% surface water
• 0.9% others

1.2 How are global water resources distributed

Question 4

What does surface water comes from?

1.2 How are global water resources distributed

Answer 4

• 87% lakes
• 11% swamps
• 2% rivers

1.2 How are global water resources distributed

Question 5

What is the percentage of all water is readily available for human use?

1.2 How are global water resources distributed

Answer 5

0.01%

1.2 How are global water resources distributed

Question 6

How much water a person needs a year in order to survive?

1.2 How are global water resources distributed

Answer 6

1700m3

1.2 How are global water resources distributed

Question 7

What are the 2 factors affect water resources per capita**?

1.2 How are global water resources distributed

Answer 7

• rainfall
• population size

1.2 How are global water resources distributed