<span>B is perhaps the best answer of the suggestions. A synergistic interaction is where the result of two or more medicines taken together is greater than the impact that would have happened if the medicines had been separately at the same dosage. This can potentially increase the effectiveness, although it can have negative results as well as positive. The result could also be unexpected, so C could also be a correct answer.</span>
Regular aerobic exercise eliminates the risk of heart or lung disease.
Explanation: According to the U.S. Census Bureau, there is one birth every eight seconds in the United States, or about 10,800 births per day. Worldwide, approximately 350,000 to 400,000 people are born daily on average.