The reason that you can tell that it was chemical is because you can see the bubbles forming. This means that it is giving off a gas.
The answer is letter C.
Progressive muscle relaxation should be performed before an intense exercise routine. This is known to cause relaxation and release the anxiety that an individual is feeling. It is a common practice done by athletes to help them block out external stimulus and help them focus in their games. Progressive relaxation contributes to the internal balance of individual helping him have an improved performance. Coaches should always include this pre-game so that their athletes are conditioned both in body and in mind.
People who eat at least five servings a day of _______ have a 40 percent
lower risk for certain cancers than people who eat only two or fewer
servings.
C. fruits and vegetables
(<span>Fruits and vegetables contain large amounts of phytochemicals, including many <span>antioxidants.)</span></span>
