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kolbaska11 [484]
4 years ago
8

What would be the best title for the blue circle

Chemistry
1 answer:
Andrej [43]4 years ago
5 0
The answer will  be Experimental investigations involve a process in which a "fair test" is designed and variables are actively manipulated, controlled, and measured in an effort to gather evidence to support or refute a causal relationship. Experimental investigations have a control group which does not receive any treatment.
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