Which technology below, has allowed scientists to accurately map the ocean floor?

Which of the following contains the most water on Earth?

According to scientists, only 1% of the water on Earth is available for human use. Where is this most of Earth's freshwater located?

How does the use of a pH meter help monitor the hydrosphere?

Why do lakes, rivers, and streams most likely require more treatment than groundwater?

Which factors can have the greatest effect on the health of a river system?

Why is water from an aquifer more likely to be cleaner than water from other sources?

Which best describes the water found in estuaries?

Which provide the best source of information about the quality of water in aquifers?

Which characteristic distinguishes an estuary from other bodies of water?

Which type of ocean water would contain more dissolved oxygen?

Which most likely has the highest number of contaminants in the water?

What does a pH of 7 most likely indicate about the water quality?

If a body of water has high turbidity levels, what can most likely be concluded?

Which change indicates a decrease in the pH of a body of water?

Which is the largest zone in the ocean?

Which phase of water in the water cycle best drives weather and climate as it travels around Earth?

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