Plz which of the following is an example of a negative tropism? roots growing downward leaves turning toward the light stems and leaves growing upward leaves curling when touched

leaves curling when touched

Explanation:

Negative tropism is going away from the stimulus. if they curl up when touched and the finger, or whatever touched it, is the stimulus, moving away from it makes it a negative stimulus.

roots growing downward

the answer is a) a shiprock was formed by igneous process