A concrete statement can be considered as a 'solid' statement. This means that the sentence must contain hard facts to manifest the credibility of the statement. As much as possible, you give specific examples and provide evidence for this. From the choices, the answer would be D.
Answer:
bias or feeling
Explanation:
this is just two of a few answers it might be:)
F because both scientist are unsure so they would have to reevaluate their decision
