contestada

Two students are testing the amount of fertilizer that would best promote the growth of strawberries in a garden. Which of the following is a controlled variable?



amount of fertilizer


growth of the strawberries


number of leaves


type of soil

Respuesta :

misshambone2004
Controlled variable is what stays the same throughout the whole experiment. What stays the same would be the type of soil you use.
It would be the type of soil that is used because that won’t change at all during the experiment