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

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

3: 3. The Sahara Desert expands at about half an inch each year.

4: 4. The Earth has more than 80,000 species of edible plants.

5: 5. The deepest part of the ocean is the Mariana Trench.

6: 6. Trees communicate with each other through an underground network.

7: 7. The Sun is so big that a million Earths could fit inside it.

8: 8. Lightning strikes the Earth about 100 times per second.

9: 9. The world's oldest living organism is a 9,555-year-old spruce tree in Sweden.

Like  Share  Subscribe