Answer:
water decreasing from where it came from
Explanation:
that or the cell starts to swell
You would want this observation to be in an area with a lot of biotic and abiotic factors, so the best place for it is an ecosystem.
The answer to this question is that two different neutral isotopes of
the same element will have the same atomic number. This is due to them
having the same number of protons, and it is these protons which
determine the atomic number. However, these istotopes will have
different masses due to a difference in the amount of neutrons.