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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What percentage of Earth's water is stored in oceans?
💡 Hint: Think about the largest body of water on Earth.
Question 2
Easy
Name one type of freshwater reservoir.
💡 Hint: Consider the types of bodies of water that usually provide water for drinking.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the primary reservoir of Earth's water?
- Rivers
- Glaciers
- Oceans
💡 Hint: Think about the largest body of water when considering total volume.
Question 2
True or False: Ice caps and glaciers contain more freshwater than lakes.
- True
- False
💡 Hint: Consider the comparison in volume between these two types.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the percentage of Earth's water volume that is not freshwater. If total water is 1,386,000,000 km³ and freshwater is approximately 35,000,000 km³, what is the percentage of seawater?
💡 Hint: Consider how to compute percentages using the total volume.
Question 2
Evaluate the importance of groundwater in the context of increasing global population and water demands.
💡 Hint: Think about how population growth affects water resources.
Challenge and get performance evaluation