the answer is D. Some of the world’s highest waterfalls can be found in three countries: Venezuela, South Africa, and Peru.
a colon in a sentence means the auther can end the sentence with a period if he wanted and the sentence would still be correct.
in this case the sentence could be, "Some of the world’s highest waterfalls can be found in three countries."
this still looks and sounds correct and is a fully functioning sentence.
Answer:
third-person objective point of view
Sorry if I am wrong because I am not sure about my answer
Explanation:
I'm not sure what your options are, but here's what I've come up with:
The reason for our tardiness was because we got stuck in traffic.
I need more information to answer this
You need a period after the first sentence. You also need an exclamation mark after Ahoy.