What type of activity adds new rock to the surface?

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Multiple Choice

What type of activity adds new rock to the surface?

Explanation:
Volcanic activity adds new rock to the surface. When magma rises and erupts as lava, it rapidly cools and solidifies, forming fresh igneous rock right at or near the surface. This creates new rock material that wasn’t there before, contributing to the surface crust, such as at volcanoes or along spreading centers where lava erupts and crystallizes. In contrast, weathering breaks down existing rock rather than adding new rock, mountain-building describes deformation and uplift rather than creating new rock, and the term oceanic refers to a setting rather than a process that creates new rock.

Volcanic activity adds new rock to the surface. When magma rises and erupts as lava, it rapidly cools and solidifies, forming fresh igneous rock right at or near the surface. This creates new rock material that wasn’t there before, contributing to the surface crust, such as at volcanoes or along spreading centers where lava erupts and crystallizes. In contrast, weathering breaks down existing rock rather than adding new rock, mountain-building describes deformation and uplift rather than creating new rock, and the term oceanic refers to a setting rather than a process that creates new rock.

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