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Question: i who was the author of the book quotthe mainsprings...

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I. Who was the author of the book, The Mainsprings of Civilization? 2. What was Whittleseys proof of possibilism called, that used historical settlement in California as an example? 3. Name the largest planet in the solar system. 5. What is the best term to use to describe the ship is 10 miles from shore and its mast is 4. How many miles, approximately, is the earths circumference? shape of the earth? 6. -7. Using the formula, K-4/3 x/h, if a 100 feet high, can someone lying on the 8.-10. A ship has a flag on a mast 49 feet beach see it using a telescope? above sea level. Another ship has a lookout 81 feet above sea level. If the two ships are 16 miles apart, can the lookout of the second ship, using a telescope, see the flag on the first ship? (Show working)
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