For the Letters on This Figure, Choose the Likely Cause

question 33

Multiple Choice

For the letters on this figure, choose the likely cause of melting for Site C.

• A) Decompression melting as the mantle rises
• B) Melting by adding water
• C) Melting of continental crust caused by an influx of mantle-derived magmas

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Definitions:

Jawless Fishes

A group of fish that lack a true jaw, represented by modern lampreys and hagfishes, belonging to the superclass Agnatha.

Myxini

A class of jawless marine animals known as hagfishes, characterized by their slimy skin and primitive features.

Petromyzontida

An order of jawless fish, also known as lampreys, characterized by their eel-like appearance and parasitic or non-parasitic lifestyle.

Oviparous

Bearing young in the egg stage of development; egg laying.