The Major Disadvantage of Laboratory Tests Is the Lack of Control

question 90

True/False

The major disadvantage of laboratory tests is the lack of control of independent variables.

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Definitions:

Carbon-14 Ages

An age estimate of an organic material based on the measurement of the radioactivity of its carbon-14 content.

Granite Intrusion

The penetration of molten granite into pre-existing rocks in the Earth's crust, cooling and solidifying below the surface.

Cross-Cutting Relations

A geological principle stating that rocks disrupted or penetrated by an igneous intrusion or fault are older than the intrusion or fault itself.

Superposition

A principle in geology that states in an undeformed sequence of sedimentary rocks, each layer is older than the one above.