The answer would be : C. Increase the intensity of cardiovascular workouts
cardiovascular workouts are the best one to increase the target heart rate. By increasing it's intensity, Xavier will increase his heart rate to the point where he managed to achieve his target
hope this helps
Examples of disease vectors rats, mice, mosquitoes, ticks, sand flies.
<h3>What are Vector-borne diseases?</h3>
Vector-borne diseases are illnesses in human caused by parasites, viruses and bacteria that are transmitted by vectors or blood-feeding arthropods, such as mosquitoes, ticks, and fleas. Many of vector-borne diseases are preventable by taking protective measures. Vector-borne diseases account for more than 17% of all infectious diseases that causes more than 700 000 deaths annually. Examples of vector-borne diseases include Dengue fever, chikungunya, West Nile Virus, Lyme disease, and malaria.
To learn more about Vector-borne diseases, click the given link brainly.com/question/1086343
#SPJ4
The most common source of water contamination is: A. sewage.
He or she needs to have a answer in a short lap of time so the person has every right to decided but maybe the nurse has a good diagnostic about the patient n that could affect the decision of the others