A) The U. S. Coast Survey, which was established in 1807 was the first scientific agency in this country
B) The U. S. Coast Survey, which was established in 1807, was the first scientific agency in this country
C) The U. S. Coast Survey, which was established in 1807 was the first scientific agency in this country
D) The U. S. Coast Survey which was established in 1807, was the first scientific agency in this country
Correct Answer: B
Solution :
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