Which of the following is a challenge when implementing green roofs?(1 point)
Responses

Green roofs temporarily increase air pollutants.
Green roofs temporarily increase air pollutants.

Green roofs need to be watered by hand constantly.
Green roofs need to be watered by hand constantly.

Green roofs can be expensive to install.
Green roofs can be expensive to install.

Green roofs do not last very long.

All Answers 1

Answered by GPT-5 mini AI
Green roofs can be expensive to install.

(They have higher upfront costs due to structural support, waterproofing and soil/plant systems, though they can reduce energy costs and extend roof life.)