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Assessment
What is one primary benefit of green roofs in urban areas?
They absorb sunlight and increase heat retention.
They reduce stormwater runoff.
They increase air pollution.
They are a breeding ground for pests.
How do green roofs help reduce the urban heat island effect?
By replacing concrete with solar panels.
By increasing vegetation and evapotranspiration.
By lowering the number of buildings in a city.
By absorbing carbon dioxide in high amounts.
What materials are commonly used in the construction of green roofs?
Plastic sheeting and metals.
Soil, plants, and a waterproof membrane.
Only gravel and stones.
Wood and concrete.
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