Question

what questions can be addressed by the scientific study of plants? check all that apply how is energy from the sun harnessed? how can plants be better utilized for human needs? what are the effects of human activities on plants? how do plants depend on animals?

Explanation:

Plants harness solar - energy through photosynthesis. Studying plants can find ways to better use them for food, medicine etc. Human activities like deforestation affect plants. Also, plants and animals have symbiotic relationships. So all these questions can be addressed by plant - science study.

Answer:

All of the above (How is energy from the sun harnessed?; How can plants be better utilized for human needs?; What are the effects of human activities on plants?; How do plants depend on animals?)