Respuesta :
Answer:
in my opinion B
Explanation:
they cause plant cells to grow longer than others which In turn might make some plants avoid the sun[sorry if I'm not accurate,thank you and hope I was helpful]
Answer:
Option B
Explanation:
Auxins promote stem elongation, inhibit growth of lateral buds (maintains apical dominance). ... Auxin is a plant hormone produced in the stem tip that promotes cell elongation. Auxin moves to the darker side of the plant, causing the cells there to grow larger than corresponding cells on the lighter side of the plant.