Question

Drag each item to indicate whether it describes a benefit or a challenge of green roofs. (2 points)
benefit of green roofs
challenge of green roofs
‡ time needed to care for plants
‡ slow release of stormwater runoff
# regulation of urban climate
‡ absorption of carbon dioxide
# cost of maintenance

Answer 1

benefit of green roofs
‡ slow release of stormwater runoff
# regulation of urban climate
‡ absorption of carbon dioxide

challenge of green roofs
‡ time needed to care for plants
# cost of maintenance