The answer is: A. What happened during the Vietnam War?
The Answer Is Reading Informational. I Just Took The Test!
Answer:
A gear is a rotating circular machine part having cut teeth or, in the case of a cogwheel or gearwheel, inserted teeth (called cogs), which mesh with another toothed part to transmit torque. A gear may also be known informally as a cog.
which one is true ?
a) help to us
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b) help us</h3><h3 />
<em>Hope this helped!</em>
Blockade runners is the answer