Understanding the Water Cycle

What percentage of Earth's water is saltwater found in oceans, seas, and bays?

• 75%

• 25%

• 96.5%

• 50%

What is the process called when water evaporates from plants?

• Condensation

• Precipitation

• Transpiration

• Evaporation

How long does a water molecule typically stay in the atmosphere before condensing?

• 1 day

• 10 days

• 30 days

• 100 days

Which of the following is NOT a way water is stored on Earth?

• In oceans

• In the ground

• In the sun

• In ice

How much water can a large oak tree transpire in one year?

• 40,000 gallons

• 10,000 gallons

• 20,000 gallons

• 30,000 gallons

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