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xxTIMURxx [149]
3 years ago
8

Please help with number 22!!!!!!!!!!!

Biology
2 answers:
Travka [436]3 years ago
8 0
I mean... The conditions weren't identical, so that's an inconsistency and could skew the results...
Anon25 [30]3 years ago
5 0
If the student aimed to measure the weight of the rats, his mistake was a difference in living space for each rat. He should have only changed one variable--the food--for each rat. The results will be incorrect because the rats have different amounts of living space in addition to different amounts of food.
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