The story is basically saying that we can learn from our elders, because they have been around longer and have more experience than us.
You can see this when it says "the tree is older than you are...you might find stories in its branches".
Answer:
C.“Some concussions are much more serious than the symptoms would suggest,” says Dr. Monroe, a neurologist at the Brain Center.
Explanation:
Compared to all the other answers 'C' mentions a doctor (Dr.Monroe) and since you are trying to pick the answer that is most credible...picking the one that comes from the most knowledgeable source is the most credible. So, option C. is correct.
*P.S I also got it right on Edge2020*
Human activities contribute to climate change by causing changes in Earth's atmosphere in the amounts of greenhouse gases, aerosols (small particles), and cloudiness. The largest known contribution comes from the burning of fossil fuels, which releases carbon dioxide gas to the atmosphere.
