Question

1. what evidence from the essay supports the claim that lack of sleep can cause health risks for teenagers? a. details in paragraph 2 about the percentage of high schoolers who get fewer than 8 to 10 hours of sleep a. an example of research in paragraph 3 showing that car crashes are more likely to occur when teen drivers are exhausted a. the explanation in paragraph 4 of the scientific term circadian rhythms 2. the following question has two parts. answer part a first, and then part b. part a using context, choose the most likely meaning of chronic as it is used in paragraph 2 a. harmful a. accidental a. persistent part b read the following dictionary entry. chronic adj. 1. requiring long - term medical care; 2. continuing over and over for a long time; 3. constantly bothering or troubling; 4. acting in a given way by habit which definition most clearly verifies the answer to part a? a. definition 1 a. definition 2 a. definition 3

Explanation:

For question 1, an example of research showing car - crashes related to teen driver exhaustion is evidence of health risks due to lack of sleep. For Part A of question 2, in context, "chronic" means persistent. And for Part B, definition 2 in the dictionary entry which means continuing over and over for a long time verifies that "chronic" means persistent.

Answer:

1. B. an example of research in paragraph 3 showing that car crashes are more likely to occur when teen drivers are exhausted
2. Part A: A. persistent

Part B: B. definition 2