1.1. In Wikipedia, look up "Lithosphere" and answer this question: Which statement
about Earth's lithosphere is correct?
a. It includes only the crust, which constitutes the hard and rigid outer layer of
the Earth.
b. It includes only the uppermost mantle, which constitutes the hard and rigid
outer layer of the Earth just below the crust.
It includes the crust and the uppermost mantle, which constitutes the weak
O C.
and pliable outer layer of the Earth.
d. It includes the crust and the uppermost mantle, which constitutes the hard
·
and rigid outer layer of the Earth.
Question 2 (1 point)
1.2. In Wikipedia, look up "Asthenosphere" and answer this question: What is
asthenosphere?
a. It is the mechanically weak crust that enables the surface of the Earth to flow
like a fluid,
O b. It is the mechanically weak uppermost mantle that lies just below the crust.
C. It is the mechanically weak layer of the upper mantle that lies just below the
⑧
lithosphere.
d. It includes the crust and the uppermost mantle, which constitutes the hard
and rigid outer layer of the Earth.
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, Question 3 (1 point)
1.3. In Wikipedia, look up "Seafloor spreading" and answer this question: What is
seafloor spreading?
a. The process by which the total area of ocean crust increases, while the total
area of continental crust decreases.
O b. The process by which the seafloor expands due to erosion of the continents.
drift by forcing them to move away mid-
c. The process causes continents to
ocean ridges.
d. A process that occurs at mid-ocean ridges where new oceanic crust is formed
·
through volcanic activity and then gradually moves away from the ridge.
Question 4 (1 point)
1.4. In Wikipedia, look up "Transform fault" and answer this question: What is
transform fault or transform boundary (sometimes called strike-slip boundary)?
•a.A
⑧ fault along a plate boundary where the motion is predominantly horizontal.
O b. A fault where one tectonic plate goes beneath another.
c. A boundary where continental crust transforms into ocean crust.
d. A boundary where new ocean crus is created.
Question 5 (1 point)
1.5. In Wikipedia, look up "Earthquake" and answer this question: Look at the figure
showing earthquake epicenters: where do most earthquakes occur?
Oa. In the interior of tectonic plates
O b. Along the boundaries between tectonics plates
Oc. Uniformly around the globe
O d. Only within continents
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