Countries of the World: 195
Highest Elevation on Earth -
Mt. Everest, Asia: 29,035 feet (8850 m)
Lowest Elevation on Land -
Dead Sea: 1369 feet below sea level (417.27 m)
Deepest Point in the Ocean -
Challenger Deep, Mariana Trench, Western Pacific
Ocean: 35,840 feet (10924 m)
Atmosphere Content:
77% nitrogen, 21% oxygen, and traces of argon,
carbon dioxide and water
Rotation on Axis:
23 hours and 56 minutes and 04.09053 seconds.
But, it takes an additional four minutes for the
earth to revolve to the same position as the day
before relative to the sun (i.e. 24 hours).
Revolution around Sun:
365.2425 days
Chemical Composition of the Earth:
34.6% Iron, 29.5% Oxygen, 15.2% Silicon,
12.7% Magnesium, 2.4% Nickel, 1.9% Sulfur,
and 0.05% Titanium
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Aika Rani, Lilly ,A k h t a r,Mumtaz Ali
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