use the excerpt to answer the question

Question

good sleep hygiene, the behaviors that promote good sleep, will help ensure that middle schoolers get enough sleep.

How does the author develop that key concept in this sentence?

Answer 1

The author develops the key concept of good sleep hygiene by stating that it consists of behaviors that promote good sleep.

Answer 2

by describing specific steps to solve the problem
by defining an important term
by comparing important ideas
by giving an example

Answer 3

The correct answer is "by describing specific steps to solve the problem." The author develops the key concept of good sleep hygiene by mentioning that it consists of behaviors that promote good sleep, which implies that specific steps need to be taken to achieve this goal.