Abstract+GomeVa

Advertisers always try to convince people that one product is better than the other but this experiment going to actually prove it. Marigolds are going to be growing in different selections of soil. The plants will be measured, watered, and they will have plenty of sun so they could all grow properly. growing the plants in my backyard. There are four of each of the soils planted and right now all of the plants have at least one sprouting. Which one will grow the fastest?