Percentage of Maximum Heart Rate tells you how hard you are working during your physical activity.
In Average person, this likely falls somewhere between 10 seconds and 1 minute. Very good athletes can often perform at their max HR for 2 minutes or so, while the world's best may be able to for 3-4 minutes.
You will burn more calories in the peak zone as opposed to doing Cardio. But doing or exercising in the cardio means that you can exercise longer in that zone, and burn just as much calories there than in the peak.
Hence, B is correct option
To learn more about Maximum Heart Rate, here
https://brainly.com/question/19153235?referrer=searchResults
#SPJ2
