Ch sentence contains an adjective clause?
if you study hard, you will do well on the test.
my mom, who graduated thirty years ago, is going to her class reunion this weekend.
mike didn't call her because he was shy.
she took an extra course this term so she could graduate early.

Read this passage.my career in journalism has taught me the challenges of capturing sporting events, yet gregor powell's descriptions are flawless. powell is a gold-medal paralympic swimmer, but his memoir proves that his true strength is the power of his insights.what feature distinguishes this passage as a foreword?