The answer is B since you have to be able to prove/elaborate on the topic sentence
The answer to this question would be: <span>track changes in weight over time.
When a person consumes an adequate amount of calorie, the weight wouldn't be changed. If the calorie is not enough, the body will burn the fat stored to fulfill the energy required, result in reduced body weight. If the calorie is too much, the body will store the excess calorie as fat, results in increased body weight.</span>
Answer:
option a
Explanation:
because When hydrogen is used to power a fuel cell, the only byproducts are water and heat—no pollutants or greenhouse gases are produced.
He observed 15 different finch species that originated as one ancestral bird. all differing in body shape, beak size, and mating habbits
