B we surprised the nazis by bombing another beach to make it look like we were entering on it it was to get a foothold in France.
213,000 can be rewritten as 2.13*10^5. This tells us that it has has 3 significant digits.
Your correct answer is b. It has three significant figures.
it is asking to explain one way that scholarly disciples not recorded in history have contributed the perspectives explained by Diamond. (who im presuming is the author)