I believe it is A. Because it’s talking about how the salt is a danger and letter A talks about the danger of it.
The correct answer would be conflict because this seems to be the part of the story that something bad is going to happen. I wouldn't say it would be climax, because we don't have enough information to say this is the part where everything changes. Hope this helps!
Answer:
E - It allows the author to identify the problems that existed in the previous research.
Explanation:
As the excerpt states in the beginning: " Our thinking, perception, and ability to understand language are processed in the outermost layer of the brain. This area is known as the cerebral cortex. Researchers are still working to understand how the cerebral cortex is organized. Scientists have used a variety of techniques to map the brain's organization over the past century. However, these measures don't always reveal the same boundaries and borders in the brain's landscape." This tells up that there were problems before hand. Which goes with B.
