The average american family uses 400 gallons of water per day in there homes........(GOODLUCK!)
Answer:
Radon 222.
Explanation:
This is a chemically inert gas that is colourless and odourless but it is radioactive. It is produced by uranium in rock. From seeping through foundation, its accumulation can cause lung cancer. Also, as a radioactive gas, it can be also used to in hospitals to cure ailments which includes tumour , cancer and other diseases.
Cell division occurs in the final stage of mitosis called telophase. in this stage, the cell prepares for cytokenisis, in which the cell is split.
<span>A. They move and catch their food </span>
