________ Lava Is the Most Abundant Type Erupted at Oceanic

question 24

Multiple Choice

________ lava is the most abundant type erupted at oceanic spreading centers.

• A)Rhyolitic
• B)Andesitic
• C)Basaltic
• D)Granititc

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Definitions:

Cleavage

In geology, the tendency of crystalline materials to split along definite crystalline boundaries, creating smooth surfaces.

Hardness

A measure of a mineral's resistance to scratching, which aids in identifying minerals in field and lab settings.

Ionic

Relating to or involving ions, which are atoms or molecules with a net electric charge due to the loss or gain of one or more electrons.

Covalent

referring to chemical bonds formed by the sharing of electron pairs between atoms.