Question

Which of the following are environmental benefits of green roofs? Select the two correct answers
1. Green roofs can reduce electricity bills
2. Green roofs can improve air quality
3. Green roofs can absorb storm water and can release it slowly
4. Green roofs tend to increase number of roofing jobs
5. Green roofs are easy to install and maintain

Answer 1

Answer:

Explanation:

Enhanced stormwater management and water quality: Green roofs can reduce and slow stormwater runoff in the urban environment, and also filter pollutants from rainfall. Green roofs can retain nearly all storm-related precipitation during the summer months, with lower retention during the winter months (< 20%).