You should get most of your calories from the grain factor because it's <span>the body's most efficient source of fuel. They are naturally low in fat and many are high in fiber, especially if made from whole grains.</span>
<span>B.
Charlie should repeat the caliper test because it does not fit with the
other information, and he should start an exercise routine and diet to
reduce his body fat</span>
Many things can cause shortness of breath, but the most common are asthma, pneumonia, bronchitis, lung cancer, anxiety, an allergic reaction, a lung injury, obesity, heart dysfunction, COPD and many many more things.
As for treating this, see your physician. Hope I helped you!
C.) A twist or tear in a muscle. Strain = tearing or stretching of a muscle, Sprain = stretching/tearing of a ligament.