The approximate boundary of the atmosphere extends outward at least ________ kilometers above the surface.
A) 1,000
B) 2,500
C) 5,000
D) 6,000
E) 10,000

Name: The approximate boundary of the atmosphere extends outward at least ________ kilometers above the surface. A) 1,000 B) 2,500 C) 5,000 D) 6,000 E) 10,000
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Question

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The approximate boundary of the atmosphere is considered to be the end of the exosphere, which extends up to about 10,000 kilometers above the surface of the Earth.

The Approximate Boundary of the Atmosphere Extends Outward at Least