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2 votes
I am struggling please help if you are good in science

I am struggling please help if you are good in science-example-1
I am struggling please help if you are good in science-example-1
I am struggling please help if you are good in science-example-2
I am struggling please help if you are good in science-example-3
User Marekful
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1 Answer

11 votes
C, environmental differences. That is the independent variable, which is what is being changed.
User Nohemy
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