It is not. Habitable does not mean to humans but in general to life forms. It just means that <span>the range of orbits around a star within which a
planetary surface can support liquid water given sufficient atmospheric
pressure and that some form of organic life could develop, but this does mean that humans could live in them. They should definitely spend more time looking at them because the processes in those planets might be harmful to humans so humans shouldn't just try to visit them before understanding them.</span>
Scanning electron microscope is the answer.This type of microscope<span> is an instrument for observing at the atomic leve</span>
The easiest and most effective way to prevent foodborne illnesses is to wash hands before using it for food handling. In this way, you can be certain that most of the dirt in your hands would not go with the food and cause illnesses. In simple terms, you should have a good and proper hygiene.
The second and the third option are completely the same.
So either of them would be correct - Pelecinus polyturator.