Yes, they are often used to sterilise food for that very reason.
No, but if you put on a cream you can see them.
yes!
ultra violet waves
If you changed the color, it wouldn't be Ultra Violet anymore, now would it?
No, thieves do not effectively kill germs.
When you boil water, you will kill all germs that are in it.
A black light itself does not kill germs; it primarily emits ultraviolet (UV) light, which can have germicidal effects at certain wavelengths, particularly UV-C. Some UV-C devices are specifically designed to disinfect surfaces and air by inactivating bacteria and viruses. However, not all black lights emit UV-C wavelengths, and their effectiveness in germ elimination depends on exposure time and intensity. Therefore, while certain UV lights can kill germs, standard black lights are not reliable for disinfection.
Soap can kill germs but can't get rid of them permanently. They will keep coming back. Don't buy 'can kill 99.9% of germs because not only does it kill bad germs, but it kills the good ones too.
I know for sure hot water kills germs
Calamansi can kill germs because of its acid. Just like vinegar...^_*
Yes, they can kill other germs
Yes, it kills most germs.