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.
Most people think of leeches as nasty bloodsucking creatures with little or no. worth, and no interesting behaviors, let alone any parenting skills, but this. popular perception of them is way off the mark. A common misconception. about leeches is that there is only one kind of leech. In fact, there are between.