BMI is a measure which takes into account a person's weight and height to gauge total body fat in adults. Someone with a BMI of 26 to 27 is about 20 percent overweight, which is generally believed to carry moderate health risks. A BMI of 30 and higher is considered obese.
<span>B is the correct answer. Anaerobic exercise is only done in short bursts for small amounts of time. Dancing and tennis are examples of aerobic exercise.</span>
