What does accessibility refer to?(1 point)Responsesusing grade-level words and activitiesusing grade-level words and activitiesaccessing the online textbook without a passwordaccessing the online textbook without a passwordkeeping a clutter-free workspace at homekeeping a clutter-free workspace at homeThe usability of course content regardless of a person’s ability or disabilityThe usability of course content regardless of a person’s ability or disability