The Mid-Atlantic Ridge is a:

Question

BlackTom AI · Accepted Answer

To determine what the Mid-Atlantic Ridge is, we need to consider the different types of plate boundaries and where the ridge sits.
Option 1: 'transform boundary' — Transform boundaries slide past one another horizontally. The Mid-Atlantic Ridge is not a left-right sliding boundary; instead, it marks spreading at the ocean floor where new crust is formed, so this option is not correct.
Option 2: 'divergent boundary' — Divergent boundaries occur where tectonic plates move apart, allowing magma to rise and create new crust, which forms mid-ocean ridges like the Mid-Atlantic Ridge. This option matches the fundamental characteristic of the feature in question.
Option 3: 'subduction zone' — Subduction zones involve one plate plunging beneath another, consuming crust. The Mid-Atlantic Ridge is not a subduction zone; at a ridge, crust is being created rather than destroyed, so this is inaccurate.
Option 4: 'passive margin' — A passive margin is a tectonically quiet transition between continent and ocean where little seismic activity occurs, typically along the edges of continents rather than at actively forming ridges. Since the Mid-Atlantic Ridge is a site of active crust creation, this option is incorrect.
Option 5: 'convergent boundary' — Convergent boundaries involve colliding plates, often leading to mountain building or subduction, not to the creation of new oceanic crust at a ridge. The Mid-Atlantic Ridge does not fit this description, so this option is also incorrect.
In summary, the correct conceptual fit is that the Mid-Atlantic Ridge is a divergent boundary where the Atlantic Ocean crust is being created as plates move apart, which aligns with the defining feature of mid-ocean ridges.

GEO 1030-090 Fall 2025 Module 4: Quiz

The Mid-Atlantic Ridge is a:

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GEO 1030-090 Fall 2025 Module 4: Quiz

The Mid-Atlantic Ridge is a:

View Explanation

Log in for full answers

Similar Questions

Matching the relative moving ways of the plates. 1: A moving way ____ 2: C moving way ____ 3: B moving way ____

Globally, where do most earthquakes occur?

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