Scientific explanations of natural phenomena are based on A. opinion polls of scientists. B. only the observations made by a single scientist. C. only the most recent empirical evidence. D. all the empirical evidence available.

D. all the empirical evidence available.

Explanation:

c. 75.7

i think that is the right

the atomic number will stay the same no matter how many electrons it has, so it doesn’t decrease nor increase. it’ll only change with a different number of protons