Explanation:
Physical activity means the movement of a body that utilizes energy.
Physical activity is necessary for healthy health and it is particularly important if someone wants to lose weight or wants to maintain weight.
If we increase our time spent doing physical activity it will influence our diet because as when doing physical activity our diet gets increased and we feel hungry so by planning a healthy diet and eating healthy foods we can keep our body fit.
Physical activity burn extra calories and helps to develop muscles.
If we do a physical activity this will help to decrease the fat present in our body and waist this will slow the development of obesity.
D. Fruit.
Fruit is not refined or process and contains more nutrients than the other options.
Answer:
Dr. Reside's experiment can not be considered effective because his study has only treatment subjects group and lack of control group. That's why his study can be very good but not valid without control group.
In his study, he concluded that 80% children after therapeutic treatment decreased the activity level which can be true but not valid without control group because when he use control group in his study then we will be able to compare the normal or control group and treatment group. Then the study will be valid and effective as well.
<span>If a person's body becomes so accustomed to a particular drug that it can only function normally if the drug is present, that person is <u>dependent </u>on the drug.
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