Carbon monoxide is not heavier than air. A carbon monoxide alarm should be installed in a location where the alarm will stay clean, and out of the way of children or pets. Refer to the user's manual for specific installation requirements. Â« Back To FAQs List.
A leech is an annelid or segmented worm related to earthworms. Most are aquatic although there are land leeches in the tropics. Some leeches are blood sucking parasites bu â¦ t others are predators.
A single leech. noun. The definition of a leech is a type of worm found in water or in wet areas with a strong sucker on both ends of its body which it uses to suck blood from its hosts, or a person who attaches themselves to another person like a parasite. An example of a leech is a flat black worm that sticks to you in a swamp.