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OpenStudy (needhelpp101):
Scientists tested the effect of a fertilizer on the growth of plants. They had 2 sets of plants, Group A which gets fertilizer, water and sun and Group B which gets only water and sun (but in equal amounts to Group A). 1. Explain how this scenario is a controlled experiment and identify the manipulated variable.
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OpenStudy (needhelpp101):
k
OpenStudy (david27):
I send it to your os email
OpenStudy (needhelpp101):
oh yeah i got it ty
OpenStudy (david27):
don't for get to give a medal
OpenStudy (david27):
@Needhelpp101
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