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Selection Quizzes (English)





1.According to the article, which of the following is true about water on this planet?
97% of all water on our planet is fresh water.
Most of our fresh water is frozen in polar ice caps.
About 3% of Earth's water is available for our use.
About half of Earth's water is salt water.



2.Water has more of a chance of contamination if
it drains into the ocean.
it is poured out into rivers rather than lakes.
it is processed over and over.
there are separate sewage systems for different purposes.



3.Why is it important that we try to save water at home, especially in North America?
Homes use more fresh water than agriculture and industry.
Homes are the main source of contamination.
Homes use about 13 gallons of water a day on average.
Most of the fresh water used in homes is used in North America.



4.In what way does the author of the article say her household could end up wasting over 4000 gallons of water a year?
by taking showers instead of baths
by running water just waiting for it to get hot
in the amount of water they use brushing their teeth
in the amount of water they use in cleaning the house



5.Why would using cold water to wash your hands be helpful in saving water?
Cold water valves do not use as much water as hot water ones.
Water is usually wasted as you wait for it to get hot.
Not as much water is required to get the dirt off your hands if you use cold water.
Hot water comes out of the tap faster than cold water, so more is wasted.

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