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.
The dragonfly is large predatory insect generally found around watery areas in both the North and South Hemispheres. The dragonfly is very similar to a damselfly but the wings on the adults are considerably different.he dragonfly is large predatory insect generally found around watery areas in both the North and South Hemispheres. The dragonfly is very similar to a damselfly but the wings on the adults are considerably different.