Producers would be the correct answer.
Producers get energy from the sun and use it for producing
The question is asking to choose among the following choices that describes about the Big Bang theories, base on my research and further investigation, I would say that the answer would be letter B. <span>The universe is expanding. I hope you are satisfied with my answer and feel free to ask for more </span>
1) full-cost pricing, (2) win-win solutions, and (3) a responsibility to future generations.