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cashkidd2200
20.12.2019 •
Biology
In some experiments, several identical groups are set up, keeping conditions similar among them. in the group, a change is deliberately introduced. in the group, this change is not introduced. in this way, the researcher can determine if the change has an effect.
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Ответ:
In some experiments, several identical groups are set up, keeping conditions similar among them. In the experimental group, a change is deliberately introduced. In the control group, this change is not introduced. In this way, the researcher can determine if the change has an effect.
Explanation:
In every experiment that has to do with having a replicate, there must be a control group which is used to checkmate the effect of what is being tested, hence; nothing is introduced in the control group unlike the experimental group
Ответ:
Fossils are found commonly in sedimentary above all other rocks
I hope this helps!