wind, water, and insects. sun, water, and roots. humans, sun, and stems. roots, wind, and stems.
I gave my students this multiple choice question: The life cycle of some plants includes the process of pollination. Pollination is helped by

Only one answer is correct among these 4 choices:
- wind, water, and insects.
- sun, water, and roots.
- humans, sun, and stems.
- roots, wind, and stems.

Could you tell me which one is correct?

wind, water, and insects.