land resources unit test
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which of the following is an example of how green roofs save costs?

green roofs improve air quality. 

green roofs protect and maintain biodiversity.

green roofs act as natural insulation.

green roofs are a place for relaxation.
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Green roofs protect and maintain biodiversity.

Explanation:

A green rooftop, or housetop garden, is a vegetative layer developed on a roof. Green rooftops give conceal, expel heat from the air, and lessen temperatures of the rooftop surface and encompassing air. Utilizing green rooftops in urban communities or other constructed situations with restricted vegetation can direct the warmth island impact, especially during the day.

Improved human wellbeing and solace: Green rooftops, by lessening warmth, move through the structure rooftop, can improve indoor solace, and lower the rate of warmth stress related to warmth waves.