Answer:
second one
Explanation:
"we'll need a detour around the flooded road" is an independent clause
"here's an alternate route" is another independent clause
there should be a . or ; in between them, or a comma + coordinating conjunction such as and, or, but, yet, so on
Which describes how the underlined pronoun is used in the sentence<span>? Who built that waterwheel in your backyard? A.object of a preposition</span>