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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the largest reservoir of water on Earth?
💡 Hint: Think about where most of the Earth's water is stored.
Question 2
Easy
Define 'precipitation'.
💡 Hint: Consider what you see falling from the sky.
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 percentage of water on Earth is found in oceans?
- 50%
- 75%
- 96.5%
- 25%
💡 Hint: Think of the largest body of water you know.
Question 2
True or False: Freshwater sources are more abundant than ocean water.
- True
- False
💡 Hint: Remember the statistics we discussed earlier.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Assume an average area of a region receives 1,000 mm of rainfall annually. If 70% of this water is returned to the atmosphere by evapotranspiration, calculate the net water available for runoff.
💡 Hint: Subtract evapotranspiration from total precipitation.
Question 2
Given that climate change is projected to decrease precipitation by 20% in a region, how would that impact the annual water budget if current precipitation is 500 mm?
💡 Hint: Calculate the percentage decrease and subtract it from the current precipitation total.
Challenge and get performance evaluation