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:
chemical reactions change reactant and produce new substance called products.
Explanation:
chemical reaction is a change which will produce a new substance. ( while physical reaction does not produce a new substance.
A nephron<span> is the basic unit of the kidneys and one of its functions is to filter substances in the blood and excreting urine. The correct order of where urine flows in a nephron is: </span><span>glomerulus, next to proximal convoluted tubule, then to loop of henle, then to distal convoluted tubule, lastly collecting duct. This process is important in homeostasis.</span>
ATP consists of an Adenine base, a ribose (sugar), and 3 phosphate groups
Hope this helps
Any condition in an experiment that can be changed is a control variable!!
You control it!!