Answer:
It does. They trap particles so they don’t enter.
Explanation:
A critical mass is the smallest amount of fissile material needed for a sustained nuclear chain reaction.
Answer:
It is the distance between two compressions or two rarefactions.
Explanation:
Because people make those substance out of other things
Since the molecules of a gas are constantly in motion, moving and hitting other gas molecules in all directions of the enclosed container, the molecules transfer a portion of energy through the interaction of other gas particles as they hit, but then bounce off.
