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Using an annotated sketch map of North America,indicate the continental relief features.Describe how the different nature of these relief features contributes to the terrain of the continent.

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The annotated sketch map of North Americ...

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A clastic rock containing pebbles of hard rock is a:


A) mudstone
B) claystone
C) shale
D) siltstone
E) conglomerate

F) B) and C)
G) A) and E)

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Which of the following rocks results from the metamorphosis of limestone?


A) slate
B) schist
C) quartzite
D) gneiss
E) marble

F) B) and D)
G) B) and C)

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The Earth's core is a dense mass of liquid iron and nickel.

A) True
B) False

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Which of the following is a felsic extrusive rock?


A) gabbro
B) peridotite
C) basalt
D) andesite
E) granite

F) B) and D)
G) B) and E)

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Which tectonic plate is located between the South American Plate and the Antarctic Plate?


A) Philippine plate
B) Bismark plate
C) Caroline plate
D) Scotia plate
E) Cocos plate

F) C) and D)
G) B) and D)

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The rocks of the continental crust are most commonly described as ________.


A) ferrous
B) felsic
C) granitic
D) mafic
E) basaltic

F) D) and E)
G) B) and D)

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A very fine-grained or glassy rock originated in which of the following situations?


A) volcanic lava flow
B) batholith
C) sill
D) dyke
E) beach deposit

F) B) and E)
G) A) and D)

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Which of the following is a felsic intrusive rock?


A) gabbro
B) peridotite
C) basalt
D) andesite
E) granite

F) None of the above
G) B) and E)

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The boundary between the North American Plate and the Eurasian Plate is a:


A) converging boundary
B) spreading boundary
C) transform boundary
D) continental suture
E) boundary that is currently not classified

F) B) and D)
G) B) and C)

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The rocks of the oceanic crust are largely composed of ________.


A) ferrous metals
B) felsic minerals
C) granite
D) mafic minerals
E) silica only

F) B) and C)
G) A) and E)

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Describe the nature and formation of hydrocarbon compounds.How are these features used to identify potential reserves?

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Hydrocarbon compounds are organic compou...

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The original supercontinent first envisaged by Wegener is referred to as:


A) Koppenland
B) Wegenerland
C) Pangea
D) Laurasia
E) Gondwanaland

F) B) and E)
G) A) and E)

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Magma that solidifies below the earth's surface and remains surrounded by older,preexisting rock is called__________________.


A) extrusive igneous rock
B) intrusive igneous rock
C) lava
D) magmatic rock
E) minerals

F) A) and C)
G) B) and E)

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The type of rock that most closely resembles the composition of limestone is dolomite.

A) True
B) False

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The Canadian shield is an example of a:


A) continental shelf
B) exposed shield
C) covered shield
D) mountain root
E) alpine chain

F) C) and E)
G) A) and C)

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Sediments accumulate in layers known as _____________ separated by surfaces known as _______________.


A) lava / strata
B) strata / bedding planes
C) shales /planes
D) sills / shales
E) sediments / stratifications

F) A) and E)
G) C) and D)

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In subduction zones,the oceanic trench receives sediment entirely from the continental land mass.

A) True
B) False

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Which of the following is a type of chemically precipitated rock?


A) Sandstone
B) Coal
C) Mudstone
D) Limestone
E) Conglomerate

F) A) and B)
G) B) and E)

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Imagine navigating the boundary of the Pacific tectonic plate.Describe and explain how and why the boundary changes along its circumference.

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The boundary of the Pacific tectonic pla...

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