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 D. <span>D."Be careful!" he exclaimed. "That bridge is not stable!". When writing a direct quotes, the sentence inside the quotation marks should start with a capital letter. Also, when continuing the sentence after the quotation mark, the letter should not be capital unless it is a proper noun.</span>