Out of those ones, im sure its c. It's definitely not b or d. It allows motion but also protects vital organs. :)
The decrease in velocity is called deceleration or negative acceleration.
Hope i helped... If you need anything else ask me! :)
Al, since it is the only metal in that list
The best and most correct answer among the choices provided by your question is the third choice or letter C.
Xenon <span>is not an ozone-depleting substance in the stratosphere.</span>
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