Answer:
1. Life, exist 2. pre-existing cells.
Explanation:
The type of microscope that <span>can produce three-dimensional images of a cell’s surface is the electron-scanning microscope. In this type, beam of high-energy electrons is focused to project the correct projection of the cells. The projection of the cells are made up of signals of the surface.</span>
The theory would be endosymbiont theory. It was developed on the idea that some eukaryotic organelles come from prokaryotic organisms. It is also known as symbiogenesis. This theory says that these organelles were first from prokaryotic cells that is living inside a host cell.
Birds are an example of an animal that migrates, birds migrate south when it gets cold so they can be in warm weather.
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.