1: 1. Did you know that a single tree can absorb as much as 48 lbs of CO2 in a year?

2: 2. The Amazon Rainforest produces 20% of the world's oxygen.

3: 3. The Great Barrier Reef is the largest living structure on Earth.

4: 4. A teaspoon of soil can contain over one billion bacteria.

5: 5. Honey never spoils – archaeologists have found pots of honey in ancient Egyptian tombs that are over 3000 years old.

6: 6. The Earth's deepest point is the Mariana Trench, reaching a depth of 36,070 feet.

7: 7. The hummingbird is the only bird that can fly backward.

8: 8. Squirrels plant thousands of new trees each year by forgetting where they bury their nuts.

9: 9. The surface area of a human lung is equal to that of a tennis court.

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