Answer:
No harm upon ecosystems or the environment, prevention of any harmful contributions to air, water and land pollution.
Is there an image? in the question?
They move from an area of higher concentration to an area of lower concentration or they move down the concentration gradient
For the answer to the question, where do electrons get their energy in the light reactions? The answer is multiple choice letter <span>D. From photons in solar energy.
I hope my answer helped you.Feel free to ask more questions. Have a nice day!</span>