The answer is C, clay and plastic.
Answer:
Eating a healthy diet.
Explanation:
Skin contains different chemicals that helps to defense us from the pathogens. Skin consists of collagen, fats, keratin and proteins. Skin acts as the first line of defense in the organisms.
The collagen and keratin protein in skin are linked together by the cross- linking between them. The increase in these cross linking decrease the flexibility of the skin. This cross linking can be reduced by eating a more healthy diet rich in vitamins, minerals and carbohydrates.
Thus, the answer is eating a healthy diet.
Interval training maximizes cardiovascular benefits, so it can quickly increase stroke volume, making your heart stronger, and more efficient. It also decreases your risk of heart disease and high blood pressure.
B is the correct answer here: society is neither private, economic, or internal.
