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🌊 Amazing Ocean Facts 🐋

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1. Oceans cover about 71% of Earth's surface.
2. The Pacific Ocean is the largest and deepest ocean on Earth.
3. The Mariana Trench contains the deepest known point in Earth's oceans.
4. About 97% of Earth's water is found in the oceans.
5. The Atlantic Ocean separates the Americas from Europe and Africa.
6. Marine phytoplankton produce a large share of the oxygen released into Earth's atmosphere.
7. The Indian Ocean is generally the warmest of the world's major oceans.
8. Oceans help regulate global climate by storing and transporting heat.
9. The Southern Ocean surrounds Antarctica.
10. Coral reefs are among the most biologically diverse ecosystems on Earth.
11. The ocean floor contains mountain ranges, trenches, and underwater volcanoes.
12. Most tsunamis are triggered by underwater earthquakes.
13. Oceans absorb a significant portion of human-generated carbon dioxide.
14. Seawater contains dissolved salts, primarily sodium chloride.
15. The average depth of the world's oceans is about 3.7 kilometers.
16. Australia's Great Barrier Reef is the largest coral reef system on Earth.
17. Ocean currents help move warm and cold water around the globe.
18. The blue whale, the largest known animal, lives in the oceans.
19. Scientists believe many marine species remain undiscovered, especially in the deep ocean.
20. Plastic pollution is one of the major threats facing marine ecosystems today.