what are the two major component of the earth surface
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Air is composed of 78 percent nitrogen. Oxygen accounts for 21 percent, and the inert noble gas argon makes up 0.9 percent of the air. The remaining 0.1 percent consists of several trace gases. Most of the 0.1 percent is carbon dioxide.
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The four major components of the Earth's surface: lithosphere, hydrosphere, atmosphere, and biosphere.
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