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 Freshwater Leech, also known as North American Leech or the American Medicinal Leech, is a worm that grows over two inches long. It lives in lakes, marshes, and slow-moving streams. This leech is brownish-green with black and red spots, and it has a round, sucker-shaped mouth. They also have five pairs of eyes.