Gravitropism Would Not Be Observed in a Plant Grown in a Weightless

Gravitropism would not be observed in a plant grown in a weightless environment because gravitropism is a phenomenon by which a plant part grows

A) independent of gravitational pull.
B) in a direction determined by gravity.
C) in a direction opposite to that of the main light source.
D) in a direction opposite to that of the growth of the shoot.
E) toward the darkest area.