Multiple Choice
How does a rocket launch upwards? Choose the statement that best describes why a rocket goes up.
A) By expelling gas, the rocket loses mass; because it is lighter, it rises up.
B) By expelling gas downwards, the rocket is propelled upwards.
C) By expelling gas downwards, which pushes against the ground, the rocket is propelled upwards.
Correct Answer:

Verified
Correct Answer:
Verified
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