The Water We Use Answers

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The amount of water a body requires for survival is dependent upon the climate and the individual’s level of physical activity.

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Which of the following best describes the availability of freshwater on Earth?

Less than 1% of Earth’s water is liquid freshwater.

More than two thirds of Earth’s freshwater is stored in glaciers and icecaps.

99% of liquid freshwater on Earth is stored as groundwater.

All of the above.

In developed nations, the water delivered to homes by pipe is generally potable.

Which of the following is a consequence of water polluted by human sewage?

pathogens

disease vectors

high levels of contaminants

all of the above

Lakes and rivers constitute _______.

87% of freshwater

a tiny fraction of Earth’s freshwater

a majority of Earth’s freshwater

a majority of water on earth

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