Geography College

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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?

Hint: Determine how many years passed between lines 1 and 2 and between lines 3 and 4 to help you find your answers.

Type Your Response In The Box.The Map Shows A Top View Of The Mississippi River. The Gap Between Lines

Answers

Answer 1

Answer:

500 year per each they possibly increased and decreased

Explanation:

Answer 2

Answer:

The time span between 1680 and 1766 (lines 1 and 2) is 86 years: 1766 − 1680 = 86 years. During this time, the falls receded an average of 5.8 feet per year: 500 feet ÷ 86 years = 5.8 feet per year.

The time span between 1856 and 1876 (lines 3 and 4) is 20 years: 1876 − 1856 = 20 years. During this time, the falls receded an average of 25 feet per year: 500 feet ÷ 20 years = 25 feet per year.

Explanation:

Sample answer from Edmentum.

Related Questions

Consider a parcel of air arriving at the Posts coast with a temperature of 150°C and a dewpoint temperature of 100°C. Since the winds here generally move from west to east, it can be expected to pass over the Santa Lucias and drop down to Welby. Keep in mind what is happening in terms of adiabatic processes, and assume that any water that condenses will fall out of the air as rain.

Required:
a. At what elevation will condensation begin?
b. What will the temperature be at the crest of the mountains and points shown on the mountains?
c. What will the relative humidity of the air be at the crest of the mountains?
d. What will the dewpoint temperature be at the crest of the mountains?
e. What will the temperature of the air be at Welby?
f. What will the dewpoint temperature be at Welby?
g. How has the temperature and actual humidity of the air changed between Posts and Welby?
h. How would you expect the combination of prevailing wind direction and adiabatic processes to affect the climates of Posts and Welby?

Answers

Answer:

Just 4 the points...sorry :/

Explanation:

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