Answer:An Impromptu speech
Explanation:An Impromptu speech is a speech that you give at a particular moment without any prior preparation. It can be a professional speech like a boss asking you on the spot to give an update on a project or just a casual speech at a friend's wedding. For Elaine it's an impromptu speech responding to this presentation because she feels she needs to state her own opinions on the issue.
Answer: decreases alertness and low mental awareness
Explanation: when asleep although we still experience some level of consciousness, it fades as we fall deep into sleep. Mental awareness during this period is also undergoes major changes through an orderly progression of sleep stage.
OT stands for Occupational Therapist, and it's a therapist that helps people develop lifestyle (specifically the activities they do) that will be good for them: for their health and satisfaction.
