Answer:
Immigration has triggered the development of different and new cultures around the world, <u>for</u> the customs and the different languages are mixed with those already established in a determined place.
Explanation:
The compound sentences comprise two simple sentences:
1. Immigration <em>has triggered</em> the development of different and new cultures around the world.
2. The customs and the different languages <em>are mixed</em> with the ones already established in a determined place.
Each sentence contains a subject and a <em>verb.</em> The two sentences are joined with a comma and a <u>coordinating conjunction</u>, in this case <u>for</u>, which is used to express reasons.
The correct answer is <span>b. the repetition of a grammatical structure or arrangement of words.
This occurrence is also called a parallel construction or a parallel structure.</span>
Formal language is also called "proper language" because it is the type of language you would use when first meeting someone or giving a speech at a high class place so the correct answer is:
<span>B) Have I convinced you that the study of grammar is important and well worth your effort? </span>
