Answer:
A. Repeat the experiment to be sure the results are valid.
The answer is constructive interference. At the point when two waves meet such that their peaks line up together, then it's called productive obstruction. The subsequent wave has a higher adequacy. In dangerous obstruction, the peak of one wave meets the trough of another, and the outcome is a lower add up to adequacy.
The truth is both of them are more reactive metal.
Energy cannot be created nor be destroyed
