Answer:
i think it's the last option but i might be wrong
In a lab analyzing evidence.
Ecological succession is the process of change in the species structure of an ecological community over time. The time scale can be decades, or even millions of years after a mass extinction
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>
