Question

1. Read again the infographic in Unit 1, Cross-curricular learning, Activity 6. Then, in your notebook, make a bar chart with the data you have. A. What is the percentage of salt water on Earth? b. What is the percentage of fresh water on Earth? c. How much of the water supply is used in agriculture? d. How much of the water supply is used by industry? e. How much of the water supply is for personal consumption? f. How much of the industrial waste is discarded directly into rivers, lakes and coastal waters?

Answer 1

Resposta:

A. What is the percentage of salt water on Earth?

97 %

b. What is the percentage of fresh water on Earth?

2.5%

c. How much of the water supply is used in agriculture?

70 percent of all freshwater withdrawals

d. How much of the water supply is used by industry?

19 percent of total water withdrawals are used for industrial purposes.

e. How much of the water supply is for personal consumption?

less than 1 percent is available for human use

f. How much of the industrial waste is discarded directly into rivers, lakes and coastal waters?

70 per- cent of industrial waste is dumped directly into water

Explicação: