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 (suborder Anisoptera) is an insect of the order Odonata, with large multifaceted eyes, two pairs of long transparent wings, and a long body.Dragonflies have very good eye sight due to their unique eye structure.nother name for them is mosquito hawks. Dragonflies do not bite or sting humans.[1]. The life cycle of the dragonfly, from egg to death of adult, is from six months to as much as six or seven years. Sometimes female dragonflies lay eggs in the small cleft between mud or moss.