The answer is A. The short periods of intense activity are called intervals and it is used in strength building exercises.
High jump would be a track and field event. In this high jump event, you have a bar that is placed highly and you must try to jump over that bar without touching the bar at all.
<span>C.<span>Janine should increase the intensity or length of her exercise programs because it is more difficult to maintain high fitness levels as you age.</span></span>
<span>A. is naturally low in saturated fats. TRUE
</span><span>D. has a very strong taste. FALSE
</span><span>C. is very low in fat. FALSE
</span><span>B. doesn't go bad. FALSE</span>
