PLS HELP will mark brainliest Tony wanted to see if he could make the roots of a plant grow up instead of down. After several tries, he found that the roots always grew down. Nothing he or his teacher did made the roots grow up. What keeps the roots from growing up?
A) The roots need water.
B) Sunlight hits the plants.
C) Gravity pulls on the roots.
D) There is plant food in the soil.