Ocean Trenches

question 14

Multiple Choice

Ocean trenches .

• A) have submerged erosional features
• B) are arc-shaped depressions in the oceanic crust that occur at subduction zones
• C) consist of glacial troughs dating back to the Ice Age
• D) are erosional canyons cut by turbidity currents

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Definitions:

Assimilating

The process of absorbing new information into our previously existing schemas or understanding, especially noted in the context of learning and cognitive development.

Transitivity

In mathematics, a property indicating that if a relation holds between a and b, and b and c, then it also holds between a and c. In linguistics, it refers to a property of verbs that require both a subject and one or more objects.

Principle

A fundamental truth or proposition that serves as the foundation for a system of belief or behavior or for a chain of reasoning.

Arbitrary

Based on random choice or personal whim, rather than any reason or system.