C.
explanation- in the case of pure water there are always going to be the same number of hydrogen ions and hydroxide ions present.
a cell is the smallest structural and functional unit of an organism
Answer:
I'm almost positive it's answer c. :)
Answer: Mass
Explanation: i hope i helped i did that yesterday and it was right but i hope it is??
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.
