<span>The sentence written correctly looks like:
Row five miles down the river; be careful in the shallow areas.
</span>
That is because "Row five miles down the river" and "be careful in the shallow areas" are both independent phrases.
They can be joined together by either a period, or a semicolon. You can also join it using a comma and a conjunction.
The correct answer is B. river<span>.</span>
Answer:
Topic Sentence for Paragraph 2:
Goddard was able to make great contributions to the field of engineering after receiving modest support from a few sources.
Topic Sentence for Paragraph 3:
He thus began his lifetime of dedicated work.
Closing Sentence for Paragraph 4:
Goddard's acclaim partially stems from his work developing the first rocket using liquid fuel.
