johnnygdeltoro3
Answered

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What important milestone occurred as a result of the Soviets' use of the R-7
rocket?
A. The first space-based telescope achieved orbit.
B. The first artificial satellite orbited Earth.
C. The first human traveled to space.
D. The first measurements of radiation in space were made.

Sagot :

sr155760

Answer:

d

Explanation:

Answer:

Its B i got it right

Explanation:

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