Final answer:
Aging and body fat percentage are factors that can contribute to a lower water percentage in the body. Therefore, the correct answer is D.
Step-by-step explanation:
Several factors influence the amount of water in the body. One factor that would contribute to a lower water percentage is aging (option D). The percentage of body water decreases with age, with older individuals having a lower percentage of water in their bodies compared to infants and adults.
Another factor mentioned in the information is body fat percentage. The lower the body fat percentage, the higher the Basal Metabolic Rate (BMR). Since men generally have a lower body fat percentage than women, they may have a higher BMR and potentially a lower water percentage.
Your question seems incomplete. The completed version is:
Several factors influence the amount of water in the body. Which factor would contribute to a lower water percentage?
a.) Having more lean mass
b.) Being male
c.) Having a higher metabolism
d.) Aging