What does the hydrosphere include?
Only rivers and lakes
Only freshwater
All water on Earth in all forms
Only oceans
What drives the water cycle?
Gravity only
Soil
Wind
Solar energy
Which of the following is part of the water cycle?
Respiration
Digestion
Evaporation
Photosynthesis
Why is water important for climate regulation?
It reduces gravity
It absorbs and stores heat
It stops sunlight
It prevents evaporation
What is one effect of water pollution?
More rainfall
Harm to ecosystems and human health
Faster evaporation
Increased water quality
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