Answer:
the answer is B negative acceleration
Explanation:
I am not 100% sure of the first question, but I would answer A.
The answer to the second question is definitely C.
The Food and Drug Administration (FDA) is a good source for all of the above. While the FDA mostly revolves and focuses on information regarding nutrition labels and food safety, they can also provide you with basic information regarding medical equipment and what are the important aspects of it.