It's a fragment because it needs a complete cause.
Answer:
Green roofs help reduce the Urban Heat Island Effect, a condition in which urban environments absorb and trap heat. A green roof's plants remove air particulates, produce oxygen and provide shade. ... Another important benefit of green roofs is their ability to reduce and slow stormwater runoff in urban environments
Answer.... Blueface babyyy
The correct answer would be 'through diction' (choice A) because diction is the word choice or style of speaking that the writer, speaker, or character uses to convey the tone. Hope this helps! ^-^
