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:

answer; colony;