About how much of Earth's water is freshwater?

Which fossil fuel(s) contributes most to the creation of smog?

How much of Earth is land?

Approximately how much of Earth's habitable land is used for agriculture?

As the world's population increases, access to natural resources _____

Which of the following is NOT a natural resource?

Which of the following is a non-renewable natural resource

Overall, what has been happening to Earth Overshoot Day since the 1970's?

Which of the following would be the best Earth Overshoot Day?

With our current rate of using natural resources world-wide, we need ____ Earths to support us

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