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What percent of a person's body weight is made up of water?
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2. Cell Chemistry & Cell Components
Properties of Water- The Universal Solvent
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Which of the following reservoirs contains the most water?
A
Oceans
B
Groundwater
C
Glaciers and ice caps
D
Lakes and rivers
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Understand the concept of water reservoirs on Earth, which include oceans, groundwater, glaciers and ice caps, and lakes and rivers.
Recognize that oceans are the largest bodies of water on Earth, covering about 71% of the Earth's surface.
Consider the volume of water each reservoir holds. Oceans contain the vast majority of Earth's water, approximately 97% of all water on the planet.
Compare the other reservoirs: glaciers and ice caps hold about 2% of Earth's water, groundwater holds about 0.6%, and lakes and rivers hold a very small fraction.
Conclude that, based on the volume of water, oceans are the reservoir that contains the most water.
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