I would say obsession for the fist part of the quest, but I didn't really understand what you were trying to say in the second.
Fanatic
It may contain a harmful virus.
How can mining in the southeast region be harmful
they have no particular name,they are called non harmful insects
Bacteria would consider benefitial and harmful bcz many food component are you eating made by bacterial reactions like yeast... but most of spp. are harmful.
because it is natural
There are no risks of opening an e-mail containing content. However, there might be risks associated with a harmful file contained as an attachment in the email, or a link which re-directs you to a harmful site.
No they are harmless, many consider them good luck
harmful and unsafe
Powerful, Slick, Shiny, Harmful, Blunt, Gracefull
Water quality is the term used to describe the amount of harmful substances in fresh water. Water quality is assessed water measurements which utilize chemical analysis.
sewage system
Batesian Mimicry