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.
Segmented wormsmake up the Phylum Annelida. The phylum includes earthworms, leeches, and a large number of mostly marine worms known as polychaetes.Polychaetes (meaning many bristles) have many bristles on the body, while earthworms and leeches have fewer bristles.Some are parasitic, as the leeches; others filter-feed or prey on other invertebrates.egmented wormsmake up the Phylum Annelida. The phylum includes earthworms, leeches, and a large number of mostly marine worms known as polychaetes.