Answer:
Its tricky, but your best bet would be D
The explicit idea means it completely and evidently express
something, leaving nothing indirect. Something that is explicit is clearly
stated and indicated out and as a result leaving no room for misperception. In this
paragraph, the explicit idea is “The Coast Guard warns swimmers about dangerous
waters.” Since the Coast Guard clearly cautions the swimmers about the waters.
I am pretty sure that the answer is D correct me if I'm wrong hope this helps.
Answer:
Yes a document by a British soldier is trustworthy. This is a firsthand account, meaning that it was written by a person who actually experienced the event which they are writing/talking about.
John Quincy Adams was the sixth President of the United States who was the first son of a President to become President himself. Adams was a skilled diplomat who served as Secretary of State before becoming President.