Although all cells have the same DNA only some parts of it are turned on depending on what the cell needs to do, so each cell turns on different parts of itself depending on what its job is.
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It can help determine the quelity and safety of water. This can be a good deciding factor of choosing between tap vs bottled water. If the rating is too bad you should choose to use bottled water
One of the negative impacts of eutrophication and increased algal growth is a Loss of oxygen known as anoxia
Phones technology or electricty
