The zigzag shape of rock layers in mountains is primarily caused by folding of rock. This occurs when tectonic forces compress the Earth's crust, causing the rock layers to bend and deform rather than break.
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What causes the rock layers of mountains to form zigzag shape?(1 point)
Responses
a transform fault
a transform fault
a normal fault
a normal fault
continental plate uplift
continental plate uplift
folding of rock
9 answers
Use this paragraph: Carlon is using two wooden blocks to model the movement of Earth’s plates. He pushes one block forward and the other block backward, rubbing their surfaces together.
Which Earth feature is he modeling?
(1 point)
Responses
rift valley
rift valley
thrust fault
thrust fault
strike-slip fault
strike-slip fault
normal fault
Which Earth feature is he modeling?
(1 point)
Responses
rift valley
rift valley
thrust fault
thrust fault
strike-slip fault
strike-slip fault
normal fault
Carlon is modeling a strike-slip fault. This type of fault occurs when two blocks of the Earth's crust move past each other horizontally, which is similar to the movement of the blocks he is pushing forward and backward while rubbing their surfaces together.
Use this paragraph: Layla drew a diagram of forces acting on the rock in Earth’s crust. She drew arrows pointing inwards, representing forces pressing on the rock.
Which formation is represented by the diagram?
(1 point)
Responses
a transform fault
a transform fault
a mid-ocean rift
a mid-ocean rift
a rift valley
a rift valley
a fold mountain
a fold mountain
Which formation is represented by the diagram?
(1 point)
Responses
a transform fault
a transform fault
a mid-ocean rift
a mid-ocean rift
a rift valley
a rift valley
a fold mountain
a fold mountain
The formation represented by the diagram is a fold mountain. The inward-pointing arrows indicating forces pressing on the rock suggest that the rocks are being compressed, which is characteristic of the formation of fold mountains.
Which statement correctly describes why earthquakes happen?(1 point)
Responses
Earth’s crust suddenly slips along a fault.
Earth’s crust suddenly slips along a fault.
Earth’s crust near magma melts, and the ground collapses.
Earth’s crust near magma melts, and the ground collapses.
Earth’s crust switches places in a periodic manner.
Earth’s crust switches places in a periodic manner.
Earth’s crust undergoes a cycle from a solid material to magma.
Earth’s crust undergoes a cycle from a solid material to magma.
Responses
Earth’s crust suddenly slips along a fault.
Earth’s crust suddenly slips along a fault.
Earth’s crust near magma melts, and the ground collapses.
Earth’s crust near magma melts, and the ground collapses.
Earth’s crust switches places in a periodic manner.
Earth’s crust switches places in a periodic manner.
Earth’s crust undergoes a cycle from a solid material to magma.
Earth’s crust undergoes a cycle from a solid material to magma.
The statement that correctly describes why earthquakes happen is: Earth’s crust suddenly slips along a fault. This sudden release of energy when the stress on the rocks exceeds their strength causes the vibrations we experience as earthquakes.
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