التالي
الحل
After Reading
A. Choose the correct answer.
1. Why do many people take water for granted?
C.It's easily available
2. How much of the water on our planet is freshwater?
b. a small amount
3. How long can human beings live without water?
a. less than one week
4. What is one of the world's greatest challenges in the 21st century?
c. to provide freshwater
5. What do people use to clean up wastewater in Peru?
a. algae
B. Answer true or false.
1.false There is more freshwater today on Earth than at the time of the dinosaurs.
2.false By 2025, we'll use up 1 percent of all existing freshwater.
3. true At least one-fifth of the world's population does not have easy access to safe drinking water.
4.false The main goal of "Water for Life" is to recycle wastewater.
5. true At Stensund Folk College, Sweden, fish live in recycled water.
