ecortes99 ecortes99

09-09-2020
Biology

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sarah performs an experiment to determine the effect of nitrogen on plants. she studies the effect of nitrogen on the growth of the root hair, height of the plants, and nodule formation. which factor is an independent variable?

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heyyyougirl11 heyyyougirl11

09-09-2020

The nitrogen I think because it’s not changing in the problem I think

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