Answer: i would say the independent variable is the soil and the control variable is the seed because it stays the same in all of them to better understand the experiment while the dependent variable is the fertilizer.
Explanation: i am not completely sure but maybe someone else can also answer to verify it first
I believe the answer is C
I read something in my textbook about all living organisms have history of the same genetic info =D
Day and night is caused by the earth rotating on its axis throughout 24hrs
