Question: Several tomato plants are grown indoors next to a sunny window. The plants receive water and fertilizer and remain on the windowsill. What will most likely happen?

  Options: 
 A. Most of the leaves on the window side will wilt and die.
 B. The roots of the plants will grow upward from the soil.
 C. Water droplets will collect on the leaves facing away from the window.
 D. The stem will bend toward the window. 
Answer: D