Answer:
running.
power walking.
swimming.
dancing.
jump rope.
high-intensity sports, such as basketball and soccer.
Explanation:
The theory, methods, and practice of testing a hypothesis by comparing it with the null hypothesis. The null hypothesis is only rejected if its probability falls below a predetermined significance level, in which case the hypothesis being tested is said to have that level of significance.
I believe the answer is A. Achieving all of the above results.
Reason being because you need a certain amount of oxygen to support your muscles in every activity or your body will shut down.
I am sure it is the first answer, to speak up when you need information restated or explained.
