The Oceanic Crust Consists Mostly of

question 20

Multiple Choice

The oceanic crust consists mostly of

• A)felsic rocks.
• B)mafic rocks.
• C)sedimentary rocks.
• D)ultramafic rocks.

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Definitions:

TDC Compression

Top Dead Center on the compression stroke; the point at which a piston is closest to the cylinder head, just before fuel ignition.

Blue Exhaust Smoke

Smoke with a blue tint emitted from a vehicle's exhaust, typically indicating oil burning in the combustion chamber.

Combustion Chamber

A section of an engine where fuel and air are burned to produce energy.

Voltage

An amount of electrical potential, that is, the capacity to do work.