What is the process of water vapor being given off by plants?

What is the process of water flowing downhill over the land called?

What is the process called by which water soaks into the ground?

In which step of the water cycle is water purified?

Of the following, which one is NOT a benefit of wetlands?

In a water treatment plant, filtering is done by

The role of settling water in purification is to

In nature, filtering is done by

The role of bacteria in water purification is to

Which property allows water to act as a universal solvent?

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