Answer:
The DNA must be copied so there is a full set of DNA to pass on to each daughter cell.
Blood pressure machine is already a technology now, so that one is wrong.
Well, actually, in-home robots would not be able to help with healthcare as much.
And electronic asprin I don't see how that would help.
So, I think the answer would be the b. Virtual doctor appointments.
Everywhere , but an example is: rain rusting an old car
A large naturally occurring community of floral and fauna occupying a major habitat, e.g. forest or tundra