List three ways someone can tell if a friend is using LSD.

Explanation:

Hallucinations are common for someone on acid. Someone who is using LSD may report seeing things that are not there, hearing things that are not producing sound, or smelling things that are not producing any odor. The person may also see things with their eyes closed. (this is your answer)

answer; (c); to assure that workers have the right to a safe workplace and that it is the employer's responsibility to provide safe and healthy workplace;