Age and body composition are two factors that influence a) overall bmi b) metabolic rate c) vitamin absorption d) healthy bones and teeth

B

Explanation:

Fat tissue is associated with a low metabolic rate compared to lean muscle. Research also indicates that we roughly experience an annual 0.3 percent decrease in basal metabolic rate as we age,  past the age of 30 years. This is associated with a decrease in lean muscle mass. This can be alleviated through conducting regular exercise.

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