Answer:

A.These are the equipment we need and the people who treat us to keep us healthy

B.

On A. this is the tool we use now new normal because of covid and it is the equipment we use now in learning and for communicating to others.

B.These are the equipment that hospitals used to keep everyone safe.

C.These in turn are our frontliners who strive to help each other be safe from disease and disasters.

C.Yes of course they are useful to us cause they're the one who help us and kept us safe from diseases and disasters.

I promise this is really correct and its my own answer;)

Mark me as brainlliest please thanks! and pa follow<3