The map shows a top view of the Mississippi River. The gap between lines 1 and 2
ID: 109780 • Letter: T
Question
The map shows a top view of the Mississippi River. The gap between lines 1 and 2 shows how much Saint Anthony Falls receded between 1680 and 1766. The gap between lines 3 and 4 shows how much the falls receded between 1856 and 1876. At what rate (on average) did the falls recede during each of these time spans? Express your answer in units of feet per year. Did the rate increase or decrease from one time span to the next?
Hennepin Avenue Bridge 2000 Feet Horseshoe Dam Mississippi ISSISSI River 1876 1500 Feet Apron 1856 1856 1000 Feet CO 1812 Long-s 1012- Long 1805 500 Feet Spirit Island 0 Feet 680 ennep west side of river Old Tenth Ave., east side of river Bridge Mississippi - River - at - St Anthony FallsExplanation / Answer
Answer- from the map of top view of river mississippi. the gap of Saint Anthony falls betwen line and between the line1 (1680) and line2 (1766) . the gap between the line is 400 to 500 feet. at some place gap is 400 feet and some place gap between line increases and gap is 500 feet. the rate at which fall occurs is 4.65 to 5.81 feet per year.
the gap between line 3 (1856) and line 4 (1876) is 500 feet ( 1500-1000 feet). the rate of fall between the time span is 25 feet per year.
yes rate of fall is increases from one time span to next time span from 4.65-5.81 per year to 25 feet per year.
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