Answer:
You can improve it by decreasing body fat, increasing muscle or both.
Explanation:
Any of these changes will lead to a decrease in your body fat percentage, which is viewed as a single number that describes your body composition. Most people know that diet and exercise can affect body weight and body composition.
Answer:
Energy goes into a system, flows from organism to organism, and then leaves the system. For example, with water, that water will rain, gather in a river or body of water, and evaporate, doing the cycle over and over again.