The answer is B. helium-filled balloon, since sound travels the slowest through gases.
Answer:
Wait until the end of the semester to complete all work.
Explanation:
this is the obvious answer.
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Answer:
The compass needle will point towards the magnetic field, so if it is in a magnet it will most likely spin around in circles.
Explanation:
<span>Basically just divide the change in position by the change in time. </span>
