Explain a Practical that can Prove of the Positive Phototropic

-Put 10 cress seeds, in 3 different Petri dishes, that is Lined with Most Filter Paper -Shine a Light Directly on one, and Different Directions on the Other two -Wait a Week, and then you will see that the Cress Seeds are growing Towards the Light [Other variables: Temperature, distance from Lamp and Type of Seeds should be the Same]