Answer: All of these
are alternate energy sources
Explanation:
Color and light are one of the important things and helpful
in determining concentration as they are able to show basis of whether the
concentrations you have used is correct and accurate as the original effect on
the experiment being conducted. They were able to provide differentiation of
experiments and to be able to show the differences and which are the ones who
are accurate and precise base on the given results.
We have Protons and Neutrons in the nucleus of an atom, Protons are positively charged, neutrons are non-charged particles.
