Pillow structures, pillow-shaped rounded masses, form where lava is extruded under water.

Name: Pillow structures, pillow-shaped rounded masses, form where lava is extruded under water.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Pillow structures are formed when lava is extruded under water, causing the outer surface to rapidly cool and solidify, while the interior remains molten and continues to flow, resulting in the characteristic pillow-shaped rounded masses.

Pillow Structures, Pillow-Shaped Rounded Masses, Form Where Lava Is Extruded