Biology, asked by 22smithkd, 11 months ago

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?

Answers

Answered by dhruvam77

2

Answer:

no it's not a independent factor as symbiotic bacteria rhibozium fixes n2 for plants as plants can't use atmospheric n2

Answered by laynel034

0

Answer: "Amount of nitrogen"

Explanation:

Hope It helps∝

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