Understanding Earth's Water Distribution

What percentage of Earth's surface is covered by water?

• 80%

• 70%

• 60%

• 50%

In the apple analogy, what does the skin represent?

• The Earth's atmosphere

• The Earth's crust

• The land on Earth

• The fresh water on Earth

What fraction of Earth's fresh water is locked in glaciers and poles?

• 1/3

• 2/3

• 1/2

• 3/4

What is a major concern regarding the availability of fresh water?

• It is increasing due to climate change

• It is abundant and easily accessible

• It is being polluted and owned by companies

• It is evenly distributed across the globe

Why is there a growing need for fresh water?

• As a result of growing population

• Due to decreasing population

• Because of technological advancements

• Because of increasing industrialization