Answer:
D. Error is in sentence 1. The beam was a cathode ray.
Explanation:
Legit just looked up his experiments and it said right off the bat he studied cathode rays not gamma.
Hey there!
The best way to balance chemical equations is to first start by balancing polyatomic ions such as OH and SO₄.
Next, balance other elements, but save elements that are by themselves for last, such as H₂ or Fe. Once you balance everything else you can do the ones by themselves, it's much easier.
Hope this helps!
The plants give out oxygen so for us humans will live