Cumulative Exam — Cumulative exam Answers

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The diagram shows cross-cutting relationships among rocks.

Question illustration
A
D occurred after B.
B
D occurred before A.
C
A formed after the horizontal layer above was deposited.
D
F formed before the horizontal layer above was deposited.
43

Which two processes would most likely cause metamorphic rocks to change into sediments?

A
compaction and erosion
B
cementation and weathering
C
erosion and weathering
D
heating and compaction
45

The images show two metamorphic rock samples.

Question illustration
A
Both rocks are non-foliated.
B
Neither rock has randomly arranged grains.
C
Both rocks formed at Earth’s surface.
D
Neither rock formed through extreme heat or pressure.
46

How do minerals form from magma?

A
By rapidly melting in Earth's core
B
By crystallizing as magma or lava cools
C
By dissolving in ocean water
D
By breaking down into smaller particles
47

Which describes one event that causes an eclipse?

A
Earth’s rotation on its axis
B
shadows from clouds covering Earth
C
Earth’s shadow covering the moon
D
the gravity from the moon and Sun pulling in the same direction
48

Existing rocks are buried and forced toward the mantle, increasing heat and pressure. This is the first step in the formation of metamorphic rocks.Which best describes the next step in the formation of metamorphic rocks?

A
Buried rocks melt deep within the mantle.
B
Lava melts underlying rocks, which crystallize into new minerals.
C
Rocks that were buried are exposed at Earth’s surface, where they are weathered and eroded.
D
Magma pockets rise, which increases heat, and minerals change due to temperature and pressure.
49

The image shows landforms in Monument Valley, Utah.

Question illustration
A
folds, strike-slip faults, and anticlines
B
anticlines, synclines, and folds
C
synclines, normal faults, and strike-slip faults
D
normal faults, folds, and anticlines
50

Which statement reveals a property that can be used to identify a mineral?

A
A mineral is found in Africa.
B
A mineral is made in a laboratory.
C
A mineral is used to make medicine.
D
A mineral has hexagonal-shaped crystals.

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