It will take ventilation and time.
The dog has the best sense of smell.
Certain moths and other insects emit a smell similar to a moth ball. If you smell this in your home it probably means you have an insect infestation.
Naphthalene (ingredient of napalm)
You are smelling the active ingredient-a pretty potent chemical.
Probably not. It is their smell in an enclosed space that keeps moths at bay. The smell from moth balls in the open would be quickly blown away.
Male emperor moths are equipped with large, feathery antennae which have great quantities of olfactory receptors on them. The antennae are spread out to come in contact with as many scent molecules as possible allowing them to detect females from great distances.
You would get ride of the taste and smell of moth balls in the same way that you would do it for anything else. Some people do different things, but usually eating anything else with a strong flavor should get rid of the taste, and just use your preferred scent to get rid of the smell.
The scent of mothballs in your basement could result from stored belongings or clothing that were exposed to mothballs. Mothballs are often used to prevent damage from moths and other pests but can leave a lingering smell if not properly aired out. Consider removing the source of the odor and ventilating the area to help dissipate the smell.
Moth balls are POISONOUS to cats! Bad idea!
Male silk moth
It depends on how strong the smell is. Yes, it is harmful. It is a gas. And if can kill bugs it could be harmful for you. It could damage your lungs.