Use the excerpt to answer the question.

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

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

(1 point)
Responses

by defining an important term
by defining an important term

by comparing important ideas
by comparing important ideas

by giving an example
by giving an example

by describing specific steps to solve a problem
choose one

by describing specific steps to solve a problem