Respuesta :
It would most likely be considered valid, if a group of legit scientists agreed on it. It would be unreliable if it was the scientist alone and biased if you only had some from a small group of people.
The correct answer is option A
One group of scientist has proposed a new theory on Natural Selection. A majority of scientist world wide agreed with this theory as the theory was valid.
The validation of the theory is only possible when the theory is practically ans scientifically possible so that everybody can agree on it.
If many scientists agree on the same theory then it means it is valid.