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Exploring Oceanic Ridge System

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Questions and Answers

What would be revealed if all the water from the ocean basins were drained?

A flat ocean floor

A continuous mountain chain (correct)

Underwater volcanoes

Deep trenches and canyons

What is the term for the deformation of the earth's crust due to the movement of tectonic plates?

Tectonic activity (correct)

Earthquake movement

Seafloor spreading

Oceanic ridge formation

What layer of the earth is beneath the crust?

The upper mantle

The mantle (correct)

The lithosphere

The core

What is the outermost shell of the earth?

The lithosphere Signup and view all the answers

What is the approximate depth of the lithosphere below the earth's surface?

60 miles Signup and view all the answers

What is fractured into sections?

The lithosphere Signup and view all the answers

What process leads to the building of oceanic ridges?

Tectonic activity Signup and view all the answers

What is the layer of mantle below the lithosphere called?

Asthenosphere Signup and view all the answers

What happens when the tectonic plates move away from each other?

A gap is created, and magma rises up through it Signup and view all the answers

What is the molten rock material that rises up through gaps between the tectonic plates?

Magma Signup and view all the answers

What is formed as the magma continues to flow and solidify on the ocean floor?

Mid-ocean Ridges Signup and view all the answers

What is the total length of the oceanic ridge system?

50,000 miles Signup and view all the answers

Where can parts of the oceanic ridge system be found?

In every ocean Signup and view all the answers

What is the process that is similar to the formation of an oceanic ridge?

The formation of a scab over a cut on your finger Signup and view all the answers

What is the shape of the oceanic ridge system in the Atlantic Ocean?

It travels down the center of the Atlantic Ocean Signup and view all the answers