Becky is a flower gardener. Her plants need a rich soil, full of nutrients, to grow. Propose a detailed plan of how Becky can determine if her soils are fit for growing flowers.
She can do an experiment by purchasing the top soils she think will work. Then she must take care of each plant exactly the same way. the only thing that will be different is the soil. If she waits for a couple of weeks she can observe each flower and see which one turned out best and use that soil that was used in her best flower.
