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My answer depends on whether or not you go to a public or private school
Answer:
The answer to this I believe would be D.
If you are talking about heart rate zones, it would be best to stay within the aerobic zone which is about 70%-80% of your maximum heart rate and you are able to sustain the exercise effort for a long period of time and gain more health benefits of improving your cardiovascular self.
The better your nutritional intake is(eating healthy foods)the better your quality of life will be as you will be healthier and you will significantly reduce your risk of many diseases.
Gliding joint allows the allow a rotating or twisting motion. I hope this helped:))
