I do not see any possible answers that you have posted. But a good idea would be that it might have fossils, water currents, mud cracks, usually form in shallow seas. Hope this helps!
Homeostasis is the ability to maintain stable internal conditions B is the answer
(a)- Time
(b)- Heat produced(i guess)
(c)- Material
this is what I think, hope it helps
The answer would be 2+ since the atomic number represents how many protons are in the element. In this case, there are 16 protons, but only 14 electrons, which means there are an additional 2 protons, hence the 2+ charge on the ion.
