Rational Subgrouping Allows Us to Detect Changes ____________ Subgroups

question 37

Multiple Choice

Rational subgrouping allows us to detect changes ____________ subgroups.

• A) within
• B) between
• C) in the sizes of
• D) None of the other choices is correct.

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Definitions:

Subducted Plate

The portion of a tectonic plate that is forced below another plate into the Earth's mantle at a convergent boundary.

Oceanic Crust

The portion of the Earth's crust that underlies the ocean basins, composed predominantly of basalt and gabbro.

Lavas

Magma that has been expelled from a volcanic vent and has solidified on the Earth's surface.

Magmas

Molten rock material beneath or within the Earth's crust, from which igneous rock is formed through cooling and solidification.