Understanding Physical Geography Answers

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Analyze the map below and answer the question that follows. Image courtesy of USGS In a short paragraph, explain the basics of the theory of plate tectonics. What does continental drift tell us about what happened to these plates in the past?

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3

Though it experiences freezing temperatures, much of Antarctica is considered a desert because it shares a key quality in common with other deserts: like all deserts, it has __________.

A
flora and fauna in common with the Sahara
B
extreme temperatures that make settlement difficult
C
large ice caps and ice sheets
D
an average of less than 10 inches of precipitation per year
4

The process of subduction takes place when __________.

A
denser oceanic plates are forced beneath continental plates
B
continental plates separate at a divergent boundary
C
denser continental plates are forced into other continental plates
D
continental plates push against each other to create mountain ranges
5

Explain one of the three types of plate movement that can take place along the Earth's plate boundaries. You may discuss convergent, divergent, or transform boundaries. What happens at this type of boundary? What can happen to the Earth's surface?

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7

Which of the following lists correctly orders the Earth's layers from its innermost layer to its outermost layer?

A
mantle, inner core, outer core, crust
B
crust, inner core, outer core, mantle
C
crust, mantle, outer core, inner core
D
inner core, outer core, mantle, crust
8

Analyze the photos below and answer the question that follows. Images by laura0509 and Let Ideas Compete These two images show humid tropical and humid continental climate zones. Each climate zone has a different temperature and experiences different types of seasons. In a short paragraph, choose one of these two zones and explain why it is more appealing to you. Which of these zones would you rather live in?

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9

Climate affects human culture and human behaviors. What do low-latitude climate zones have in common with each other? Describe two common qualities you see and discuss how these common qualities might affect the people who live in these regions.

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10

Which of the following statements about Wegener’s theory of continental drift is false?

A
Continents were once part of a connected landmass called Pangea.
B
Continents are still drifting today.
C
Continents have not moved in the last 250 million years.
D
Continents once fit together as part of a supercontinent.

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