Georgia Sheppard

English

11 April, 14:06

According to the American Sleep Disorders Association, the

average teenager needs around 9.5 hours of sleep per night,

possibly because critical growth hormones are released

during sleep.

The average adult requires between six and eight hours of

sleep per night for optimal health and productivity.

How do the two sentences relate?

A. They establish a contrast.

B. They contradict each other.

C. They reinforce each other.

D. They provide a problem and solution.