The first alternative is correct (A).
Stretching is a way to stimulate the muscles and ligaments of the human body to improve posture, breathing and pre-disposition of people. Several activities are part of stretching, such as correct breath control, the time each session should last, and the natural discomfort. However, bounceing the body is not part of stretching practices, it is part of some aerobic activities.
Answer:
the second sentence
Explanation:
because you dont put commas next to class only when you are making a new sentence
It might be said this paragraph shows "the damages caused by the lateral blast" (option D) because the reader gets to know that it can "shoot (..) pieces of rocks", "kill by impact, burial or heat" and to "knock entire forests". Nothing about prevention or causes is mentioned not even how to avoid it
I believe it is the Iliad by Homer