How many neutrons are in each atom? a. 16/8 O
b. 32/16 S
c. 108/47 Ag
d. 80/35 Br
e. 207/82 Pb

If many scientists conduct the same or similar experiments, and all obtain similar results, a can be written, which is a generally agreed-upon statement that explains and predicts how a natural phenomenon works.

What are fossils of organisms that existed over a wide area but only for a limited time period called?

Which of the four hypothetical substances you investigated would be most harmful to living organisms? 50 points!