Input and output plz help I'll give five stars ​

The material inputs into the body are food, drink and air. The chemical components of food and drink are proteins, fats, carbohydrates and water. The material outputs of the body are feces, urine, sweat and carbon dioxide.

its weird but works right?

changes in factors like average income and preferences can cause an entire demand curve to shift right or left. this causes a higher or lower quantity to be demanded at a given price. demand curves relate the prices and quantities demanded assuming no other factors change. it is important for consumers to know this information, because it is crucial for them to know what they can afford and can't afford. i hope this .