Read the sentence.
São Paulo has many wealthy companies and splendid stores. There are also many poor people in the city.
Which combines the sentences using an adverb clause that begins with a subordinating conjunction?
São Paulo has many wealthy companies and splendid stores, but there are also many poor people in the city.
São Paulo has many wealthy companies and splendid stores and many poor people in the city.
São Paulo, which has many wealthy companies and splendid stores, also has many poor people in the city.
São Paulo has many wealthy companies and splendid stores, even though there are also many poor people in the city.