The answer is B. The topic sentence is often the FIRST sentence in a paragraph. Hope this helped!
The area of California in which we live is dry and arid, and yet we see grass growing in large areas around homes and office buildings. This practice is not only wasting water but is costing the city too much money—money that could be used for other projects.
Answer:
Can you show us the sentence???
Explanation:
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has the answer on the link