Is it ethical to say no to a customer because they slapped a co-worker of yours?
Yes. In the workplace, you have the right to refuse and this is a valid reason.
Would waking up 10 minutes before a shift is good time management.
Definitely not. You would not have time to look professional.
Is this good attire.
NO. Baggy clothes have more danger to get caught in a machine and injuring the person wearing them.
Is it ethical to spit on someone's food as a chef?
No, that is disgusting.
Is planning your week in advance good time management.
Yes. This is also great for goal setting, goal setting helps you stay on top and keeps you motavated.
Is this good attire?
Yes, but casual attire would also work depending on the situation.
Define ethics.
Ethics is determining the right or wrong action and acting upon it. Ethics is also being honest and doing what is right.
Does time management help relieve stress and calm you down.
Yes.
Is this a valid apearence?
NO. He is wearing valid clothes but with sweat we can assume that he will not smell the best.