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What kind of information did Sputnik I and II provide? A. information about earth’s outer atmosphere B. the temperature at the sun’s core C. the composition of the Martian surface D. the approximate age
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What kind of information did Sputnik I and II provide?

A.
information about earth’s outer atmosphere


B.
the temperature at the sun’s core


C.
the composition of the Martian surface


D.
the approximate age of the moon

User Motox
by
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1 Answer

2 votes
A. It's purpose was to help us learn about the density of Earth's upper atmosphere.
User Mayer Spitz
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