what do you know about our earth? writa a short note
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Answer:
Earth, our home, is the third planet from the sun. It's the only planet known to have an atmosphere containing free oxygen, oceans of water on its surface and, of course, life. Earth is the fifth largest of the planets in the solar system. About a fifth of Earth's atmosphere consists of oxygen, produced by plants.
Explanation:
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Answer:
It is the third planet from the Sun. It is the only planet known to have life on it. ... Earth is the only planet in our solar system that has a large amount of liquid water. About 74% of the surface of Earth is covered by liquid or frozen water.
Surface area: : 510072000 km2 (196940000 sq mi); 148940000 km2 land (57510000 ...
Surface pressure: 101.325 kPa (at MSL)
Surface gravity: 9.807 m/s2 (1 g; 32.18 ft/s2)
Composition by volume: 78.08% nitrogen (N; 2; dry air); 20.95% oxygen (O; 2); 0.93...