What Is a Principle That Can Be Used to Determine

question 48

Multiple Choice

What is a principle that can be used to determine the age of a landscape surface?

• A)A landscape surface must be older than any rocks onto which it is carved.
• B)A landscape surface is younger than any rock that is deposited on top of the surface.
• C)The highest river terrace is probably the youngest in age.
• D)A surface with a well-developed soil is probably older than a surface with no soil.

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Definitions:

Control Group

In an experiment, the group that is not exposed to the treatment, serving as a comparison point for assessing the effect of that treatment.

Independent Variable

In an experiment, it is the variable that is controlled or changed to test its effects on the dependent variable.

Chocolate

A sweet, typically brown food preparation of roasted and ground cacao seeds, often sweetened and consumed as confectionery.

Medical Placebos

Substances with no therapeutic effect that are used in clinical trials to compare the effects of actual drugs on patients' health conditions.