A student is studying the effect of fertilizer on fruit growth he used 6 tomatoes plants placing each in a garden where they get equal amounts of sun and water one plant is given fertilizer while the other 5 plants are given 5 10 15 20 and 25 grams of dissolved fertilizer each day for 3 weeks at the end of the expirment the tomato fruits are weighed what is the dependent variable in this experiment?
