SOME ONE HELP ME WITH THIS PLEASE I don’t know what to do

Anions are negative charged ions

There is no reason to think the results are biased or not conducted properly but you should not assume the results are correct just because they were done in a laboratory so the answer would be c. it is likely to be reliable because the results support the conclusion presented.

Your question is not clear but if you can explain yourself i would be glad to .  just trying to : ))

Answer///an early form of the atomic theory; dalton atomic theory;