Answer:
"and this overload of stimulus could be altering the way their brains are getting wired."
<h3>Which number is Main Idea? </h3>
Answer: Main idea (1) Storage facilities have become part of our culture.
Explanation: The other statements are examples to support the main idea.
I am pretty sure it would be massive because it is an English question. If you are doing a multiple choice question you should see which one fits the best. If could also be positive impact.
Answer:
She means her old self is gone and the new her(which is usually bad)is present.
Explanation: