I believe the answer is: double-blind experiment
In double blind experiments, the subjects that receive the treatment is remained unknown by both the researchers and the subjects until the experiment is finished. The main purpose of double-blind experiment it eliminate the bias of perception that might exist among researchers.
I have done this at school, the answer is definitely C!
Southeast id sayyyyyyyyyyyyyyyyyy
The reasons for deforestation are :
<h3>What is deforestation?</h3>
Deforestation can be regarded as an act of cutting tress without replacement and destruction to forest.
Therefore it can be caused as a result of :
- agricultural expansion
- wood extraction
- infrastructure expansion
Learn more about deforestation on:
brainly.com/question/20700779
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