I believe the answer is: double blind procedures
double blind procedures refers to a form of study in which both participants and the researchers do not know which subjects are receiving the treatment. The purpose of double blind procedures is to prevent the bias held by the experimenters along with placebo effects.
Answer:
A
Explanation:
That evidence directly proves that harm occured versus the other ones which just add additional information.
Old Norse religion in long term perspectives
D) It modernized farms and rural areas
Hope I helped :)
