For a science experiment, matt places a flashlight on the table on the east side of a potted plant. he covers the plant and flashlight with a darkened box. matt waits several days, then checks to see how the plant is growing. which of the following results is an example of phototropism?

a- the plant grows toward the south.

b- the plant grows toward the west.

c- the plant grows toward the east.

d- the plant continues to grow upward.