Which of the following is an example of how green roofs help save costs? O Green roofs improve air quality.
O Green roofs are a place for relaxation. O Green roofs act as natural insulation. O Green roofs protect and maintain biodiversity.

Green roofs act as natural insulation.

Explanation:

A green roof is a root that is partially or completely covered with plant. Green roofs are good insulators which helps to prevent loss of heat. It helps the owner to save money from this property.

answer; (wisconsin);

explanation: the badger state. this nickname originally referred to the lead miners, of the 1830s, who worked at the galena lead mines in illinois. these mines were in northwestern illinois close to the borders of wisconsin and iowa. the wisconsin miners lived, not in houses, but in temporary caves cut into the hillsides.