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Y_Kistochka [10]
3 years ago
9

A student is studying which fertilizer/soil will produce the tallest tomato plants. She will use regular dirt, Miracle Gro, Dr.

Dirt, and sand mixed with nitrogen. She will use all the same species of tomato and the same pot. She plans on watering the plants equally and exposing them to the same levels of sunlight for 4 weeks. . What is the independent variable?
Biology
1 answer:
Step2247 [10]3 years ago
3 0

Answer:

the answer would be the different soils she is using

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