I believe the answer is the weight of each tomato.
This is because the weight of each tomato depends on the amount of fertilizer (the independent variable/the thing being changed) added to each plant.
Answer:
What stages of aerobic respiration needs oxygen to happen?
The Krebs cycle and the electron transport system
He based his hypothesis on a statement made by a dairymaid.
The theory is most likely A) Valid. If a group of authorized scientists agreed on the theory, it would be valid. It would most likely be unreliable if it was only one scientist working alone and biased. If you don't have a group of scientists, the theory most likely won't be true because it hasn't been tested many times.
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Sucrose is made up of simple glucose and<span> fructose molecules. </span>