<span>D is the correct answer. It is important for fitness centre staff to be certified so they can provide safe instruction, and friendly and helpful so the customer would like to return.</span>
Not sure if you had choices so as to make your answer more specific to the question being posed, but in general, hand hygiene and proper infection control measures should be taken and taught.
As a face to love being serous?
First of all, <u>"</u><u>Prevention is better than cure</u><u>"</u><u>.</u>
In real life,
If you have enough knowledge to help the injured person then you can do so. Minor injuries can be cured by anyone who has knowledge in human health often known as First Aid. This helps in solving minor situations.
But for major injuries, you have to be a doctor or can only be treated by professionals who is specialized in a certain field, such as medicine.
