Only through a microscope.
yes
You use a microscope.
100,000,000,000,000,000,000,000,000
It is just so you see the germs that are there.
because they are too small
No, they are not germs. Fleas are insects and blood-sucking parasites. You can't see germs with your naked eyes unless you have the help of professional germ-detecting chemicals.
Because so many different type of people go to a restaurant, germs are a part of nature, where ever you go there is germs all around you not just in restaurant.
Germs do not actually have different colors. The colors you might see in images of germs are often added artificially for visualization and to distinguish between different types of germs. In reality, germs are typically colorless and can only be seen under a microscope.
your moms tongue has me sperms on it then ever
No, but if you put on a cream you can see them.
A microscope, perhaps?
No, germs cannot be seen with a UV light. UV light can be used to disinfect surfaces by killing germs, but it does not make germs visible to the human eye. Germs are microscopic organisms that are not visible without the use of a microscope.