Answer:
Explanation:
When we do multiple trials of the same experiment, we can make sure that our results are consistent and not altered by random events. Multiple trials can be done at one time. If we were testing a new fertilizer, we could test it on lots of individual plants at the same time.
The answer is protons
Electrons have negative charge and neutrons have 0 charge
B i think ........................
It would be 3.15 in meters
Just from that one observation, choice-B
would be a reasonable conclusion.
