Respuesta :
The answer is D because I actually don’t know it I just need the points for Brainly ;) but D does sound the best :)
Answer:
The real answer is C.Collect data on the number of blooms on rose bushes all grown under identical conditions, except hours of daylight.
Explanation:
Collect data on the number of blooms on rose bushes all grown under identical conditions, except hours of daylight.