Oceans Are About Four Times as Deep as Mountains Are

question 40

Multiple Choice

Oceans are about four times as deep as mountains are high.At the bottom of the ocean are

• A)towering mountains,deep valleys,and deep trenches near the continental borders.
• B)thick layers of basaltic crust at mid-ocean ridges that gradually thin near deep ocean trenches.
• C)towering plutonic mountains created from volcanoes and fissures at oceanic ridge areas.
• D)all of these

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Definitions:

Strobili

Cone-like structures that serve as the reproductive organs in certain plants, such as ferns and conifers.

Spore-Forming

Describes organisms, typically bacteria or fungi, capable of producing spores as a means of reproduction or survival during unfavorable conditions.

Cone-Shaped

Descriptive of an object or figure with a circular base tapering uniformly to a point or apex.

Angiosperms

A large group of plants that are characterized by having flowers and producing seeds enclosed within a fruit; they are also known as flowering plants.