The correct answer is B, 'compound-complex sentence', because this particular sentence consists of two independent clauses ('gracefully, the dancer took a bow) and ((the dancer) smiled) and one dependent clause (before she left the stage), which is the definition of a compound-complex sentence.
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
“Trans” because “trans” means going across
Stupidity.................
