Answer: I believe it would be letter (b)
Explanation: I had to answer this question yesterday and I am pretty sure this is the answer. Because it asks ¨the narrator gives an example of why oxygen is vital to climbers on Mt. Everest. How does the narrator develop this concept in the rest of the narrative?¨ so this is really the only plausible answer regarding the question.
Answer:
Please wash your hands before every meal.
The answer is all of them, first, second, third, and alternating, i just tried the other answer and it was wrong
answer is shaking and causing water to move through it.
explanation is i took the quiz and got it right because if you read step 6 you would find it