Description - Humans and the Hydrosphere by Ava Sawyer
The hydrosphere encompasses all water on Earth from glaciers and ice to rivers and oceans. People use water every day. This title asks the question, how much do you use? Readers will learn how humans use water, how humans positively and negatively affect water and how to protect the water supply.
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Humans and the Hydrosphere: Protecting Earth's Water Sources
