The correct answer is that they 'are not valid'. If the experiment is biased, it entails that it is not objective. For a experiment, and its results, to be valid, it had to be carried out objectively and taking into account all factors.
It is possible that the results disprove a hypothesis, but to be certain it is necessary to see which was the original objective of the study, as it might also prove to some extent a hypothesis, which is probably also biased.
People. She center, in fact once every month.
<span>I am certain you will enjoy this class-- the teacher is excellent. </span>
The gerund in this sentence is "learning". A gerund is a verb form which is acting as a noun, in this case after the preposition "in".
A. If you asked
Explanation:
Why I said so was due to the fact that it's just a thought of his not outspoken
If it were outspoken it would probably be according to him