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a jet engine and a rocke
1. A jet engine uses the surrounding air for its oxygen supply and so is unsuitable for motion in space. 2. A rocket carries its own supply of oxygen in the gas form, and fuel. Which statements given above correct?
1) 1 only
2) 2 only
3) Both 1 and 2
4) Neither 1 nor 2
4) Neither 1 nor 2