Good sleep hygiene, the behaviors that promote good sleep, will help ensure that middle schoolers get enough sleep.%0D%0A%0D%0AHow does the author develop the key concept in this sentence?%0D%0A%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0Aby describing specific steps to solve a problem%0D%0Aby describing specific steps to solve a problem%0D%0A%0D%0Aby comparing important ideas%0D%0Aby comparing important ideas%0D%0A%0D%0Aby giving an example%0D%0Aby giving an example%0D%0A%0D%0Aby defining an important term

The author develops the key concept in this sentence by defining an important term.