Which Statement Does Not Accurately Describe Mantle Plumes

question 84

Multiple Choice

Which statement does not accurately describe mantle plumes?

• A)They are mostly stationary.
• B)They extend as far down as the asthenosphere.
• C)They rise at a rate of several centimeters per year.
• D)They occur mainly beneath oceanic crust.

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Definitions:

Brønsted-Lowry

A theory in chemistry that defines acids as proton donors and bases as proton acceptors.

Functional Groups

Functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules.

Organic Molecules

Chemical compounds containing carbon atoms bonded together and with other elements, typically forming the basis of life on Earth.

Base

A substance that can accept hydrogen ions (protons) or more generally, donate a pair of valence electrons in reactions.