Deposits of Coal Are Important in the Carbon Cycle Because

question 7

Multiple Choice

Deposits of coal are important in the carbon cycle because they

• A) Keep humans from burning more trees by serving as fuel source.
• B) Serve as a reservoir of carbon that will eventually be released into the ecosystem.
• C) Lock up carbon so that it can never be returned to the atmosphere to make global warming increase.
• D) Make carbon readily available to plants through their roots growing down into the coal deposit.
• E) Serve as short term storage for carbons.

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Definitions:

Interposition

A visual cue used to perceive depth; occurs when one object partially covers another, indicating that the former is closer to the viewer.

Binocular Depth Cues

Depth cues that depend on both eyes working together.

Convergence

The act of moving towards unity or uniformity, especially the tendency of the eyes to move towards each other to focus on a single point.

Monocular Depth Cues

Depth cues that can be perceived by one eye alone.