Answer:
The correct answer is- vigorous
Explanation:
Talk test method is used to estimate the appropriate intensity of cardiorespiratory exercise. The intensity at which the exerciser can barely talk and conversate that intensity is considered safe and appropriate for the improvement of cardiorespiratory fitness.
In a talk test method if anyone can comfortably talk but not able to sing than that person is doing moderate-intensity activity and if a person can barely talk in a continuous manner and too out of breath to easily carry on a conversation than the person is exercising at vigorous intensity level.
3-5 times a week for athletic improvement, 2-3 times a week to maintain fitness
I believe It will collapse on it's self and form a blackhole, most stars do this when they've burnt out all their fuel.
I think because so they can stay healthy for while
