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for my science experiment (IB program. Internal Assessment) i am testing which method leads to the most seed germination. i have 2 independent variables: hydroponic system and regular soil. what would
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for my science experiment (IB program. Internal Assessment) i am testing which method leads to the most seed germination. i have 2 independent variables: hydroponic system and regular soil. what would a possible control group be?​

User Peter Bartels
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Answer:

regular soil because

from small classes we learn that germination is nice for plqnts

User Tirithen
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