If Two Variables Are Related and One Variable Increases as the Other

question 138

Multiple Choice

If two variables are related and one variable increases as the other variable decreases, they are likely to have:

• A) negative correlation.
• B) positive correlation.
• C) no correlation.
• D) no reliability.

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Definitions:

Superposition

A principle stating that in an undisturbed sequence of sedimentary layers, each layer is younger than the one below it and older than the one above it.

Incising

Incising is the process by which a river or stream cuts down into its bed, deepening the channel through the erosion of sediment and rock.

Delta

A landform created by the deposition of sediment carried by a river as the flow leaves its mouth and enters slower-moving or stagnant water.

River Terraces

Flat, bench-like surfaces adjacent to the course of a river, which indicate previous river levels and can be used to reconstruct past environmental changes.