Question

Black walnut trees produce a nontoxic chemical that becomes highly toxic when it is exposed to air or soil. How does this chemical help black walnut trees compete with plants growing nearby? A.By attracting herbivores to the other plants B.By suppressing the growth of the other plants C.By increasing the photosynthesis rates in the other plants \ D.By limiting the amount of water available to the other plants

Answer 1

I think Your answer is B

Answer 2

Answer:

i think b

because by making it toxic only when touching air or soil, it won't end up harming itself and end up harming other plants and suppressing their growth