Respuesta :
Group fitness instructors demonstrate proper techniques for yoga and aerobics and is denoted as option A.
Who are Fitness instructors?
These are trained individuals who are responsible in ensuring different forms of exercises are done in the right way to achieve maximum result.
They also help to prevent injuries as a result of it not done properly which is why they demonstrating proper techniques for yoga and aerobics is correct.
Read more about Fitness instructors here https://brainly.com/question/1600011
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