A/ a chord that passes through the center of the sphere
Changes in the size of population , age and race
Answer:
Emphysema
Explanation:
it breaks down the lungs over time making it harder and harder to breathe.
Answer:
<em>A minimum of 48 hours' rest between circuit training is required for adequate recovery. You should perform one set of eight to 12 repetitions two times a week if you're just beginning. Increase to three days a week or to two sets, or both.</em>
Explanation:
