Which statement accurately describes the writing portion of accuplacer?

What are the five categories of my plate

Blank is the amount of energy in a sound wave per unit of time and is also related to the loudness of a sound

At work claire has a deadline that is rapidly approaching. as she works, she finds that she is doing more work in a shorter amount of time than usual. she thinks mor quickly, and her senses and memory are sharper. what is responsible for claire working more effectively?