Water quality testing would be the best approach.
There are many answer you have to be specific
They are like that because they can't always be faulty and may have at least some spark of truth to this theory also as stated earlier a theory in scientific terms is just an observation so it can't really be turned down hence theory.
B. can start in many different places on a sequence at the same<span> time.</span>
Describing how is the cells group is the process of multiplication of cell or the so-called cell division, mitosis. This mechanism of each cell produces another cell that binds together and produces again, repeatedly, to be a larger system called now the tissue as explained earlier. How? Through cell division called, mitosis. Excerpt meiosis –cell division specifically in the sex cells.