Which statement describes how the mantle is similar to Earth’s oceanic crust? It is composed mostly of basalt.

Question

Which statement describes how the mantle is similar to Earth’s oceanic crust?

It is composed mostly of basalt.
It consists primarily of molten rock.
It has varying degrees of thickness.
It is divided into two layers.

GPT-5 mini · Answer

It has varying degrees of thickness.

Explanation: Both the mantle and the oceanic crust vary in thickness in different places (e.g., crust thickness changes with age and spreading rate; mantle thickness varies with depth and location such as beneath continents vs oceans). The other statements are not true for both.

Which statement describes how the mantle is similar to Earth’s oceanic crust?

It is composed mostly of basalt.
It consists primarily of molten rock.
It has varying degrees of thickness.
It is divided into two layers.

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Which statement describes how the mantle is similar to Earth’s oceanic crust? It is composed mostly of basalt. It consists primarily of molten rock. It has varying degrees of thickness. It is divided into two layers.

All Answers 1

Submit Your Answer

Which statement describes how the mantle is similar to Earth’s oceanic crust?

It is composed mostly of basalt.
It consists primarily of molten rock.
It has varying degrees of thickness.
It is divided into two layers.