Respuesta :
The answer is B.
In general, the best way to find scientific answers to questions is to do research. Sometimes, tests aren't always exactly repeatable, and especially not in a scenario like the one given.
Answer:
I believe it is B.
Explanation:
because he will need more than one example for why we thinks it is a UFO. if he has more reason he will be more believable. because some people would look at him and think he is crazy. but if he has proof then they will see what he is talking about.
i hope this helps and im sorry if it is wrong