omg! tysm this really helps me :)
I believe the answer to your question is B) Over 5,000 years ago, ancient Egyptians used wind to sail ships on the Nile River.
this sentence from the passage would be irrelevant because it does not contain usable information on wind turbines as well as the fact that it is a time in history therefore it is irrelevant because you need information that is relatively up-to-date.
A. The girls of Salem begin accusing people of witchcraft.
A) Relocating/subject
A gerund is specifically, a noun made by adding the suffix "-ing" to a verb. In this case the only gerund is "relocating", which means that that must be the correct answer. So, by process of elimination, A is the correct answer.
I'm not too sure about this. However, I would say that it is Ok to say attached is the assignment. It seems wrong, but to make it seem more natural, maybe try adding extra words like requested.