Weight gain occurs when a person consumes too much/many
a. calories
b. fat
c. carbohydrates
d. protein
select the best answer from the choices provided.

A. Calories

Explanation:

Weight gain happens when more and more calories are consumed. The additional weight gain is equivalent to the amount of calories consumed that are not burned by physical activity or other caloric expenses. Weight loss happens when there is a calorie surplus-when fewer calories are eaten than when they are burned.

obviously, the latter.