Physical change only change the appearances of a substance, not it’s chemical composition. Chemical changes cause an entirely new substance with new chemical formula.
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:Fences, loud alarms, and keeping animals in a safe space
Explanation:
Answer:People look at the fossil record and think the early history of many animals is filled with giants, but not for whales. It's only in recent geological times that whales have achieved really large sizes
