Confirmation of Seafloor Spreading Was Supported by The

question 11

Multiple Choice

Confirmation of seafloor spreading was supported by the:

• A) age of seafloor.
• B) apparent polar wandering.
• C) magnetic reversals found in continental rocks.
• D) match of rocks from distant continents.
• E) sediment analysis from different areas of the seafloor.

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Definitions:

Mid-ocean Ridge

An underwater mountain range, formed by plate tectonics, that encircles the globe, marked by volcanic activity and seafloor spreading.

Island Arc

A curved chain of volcanic islands located at a tectonic plate margin, formed by the subduction of an oceanic plate.

Mantles Rise

The upward movement of mantle material in the Earth, often related to thermal convection and tectonic processes.

Rising Mantle

The ascent of mantle material towards the Earth's surface, potentially leading to volcanic activity where the crust is thin.