How did the discovery of the Mid-Atlantic Ridge change scientists' perception of the ocean floor?

Question

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1 point
It proved the ocean floor was static
It showed the ocean floor was a flat plain
It revealed a dynamic landscape with features
It disproved continental drift
Where do subduction zones typically occur?
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1 point
At divergent plate boundaries
At transform plate boundaries
At convergent plate boundaries
At hotspots
What is the Pacific Ring of Fire?
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1 point
A major area of volcanic and earthquake activity
A network of underwater mountain ranges
A region with high levels of plate movement
A zone of intense magnetic activity
In which layer of the Earth do convection currents take place?
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1 point
Crust
Lithosphere
Asthenosphere
Core
What is the main difference between oceanic and continental plates in terms of density?
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1 point
Oceanic plates are lighter
Continental plates are denser
They have the same density
Oceanic plates are denser
What happens when two continental plates collide?
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1 point
One plate is subducted beneath the other
A transform boundary is formed
A new ocean basin is created
The crust is compressed, forming mountain ranges
Which event is associated with the collision of the Indian and Eurasian plates?
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The formation of the Himalayas
The creation of the San Andreas Fault
The development of the Mid-Atlantic Ridge
The occurrence of the Cambrian explosion

Answer 1

1. How did the discovery of the Mid-Atlantic Ridge change scientists' perception of the ocean floor?

   • It revealed a dynamic landscape with features.

2. Where do subduction zones typically occur?

   • At convergent plate boundaries.

3. What is the Pacific Ring of Fire?

   • A major area of volcanic and earthquake activity.

4. In which layer of the Earth do convection currents take place?

   • Asthenosphere.

5. What is the main difference between oceanic and continental plates in terms of density?

   • Oceanic plates are denser.

6. What happens when two continental plates collide?

   • The crust is compressed, forming mountain ranges.

7. Which event is associated with the collision of the Indian and Eurasian plates?

   • The formation of the Himalayas.