Jika udara tidak tercemar maka rumah segar. Jika rumah segar maka kupu kupu bertelur

 There are many sources of indoor air pollution in any home. ... into and out of the home may have higher pollutant levels than other homes. ... air heating systems, do not mechanically bring fresh air into the house. ... manufacturers to put information on the label about when and how to use the pesticide.

Explanation:

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 .

answer; in small towns;