Their placement because if they're in the less economically developed part then they would have a greater effect but if they're in the more economically developed part better shops are accessible.
The answer to your question is knowledge. Scientific knowledge is the information gathered by the systematic study of nature.
Answer:
The correct answer is Choice B.
(The muddy water shows the sediment is being carried from one place to another.)
Explanation:
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The current population of the United States of America is 325,372,521 as of Thursday, January 12, 2017, based on the latest United Nations estimates.