Under Ideal Conditions,it Takes About _____________ to Make 1 Millimeter

question 70

Multiple Choice

Under ideal conditions,it takes about _____________ to make 1 millimeter of soil.

• A)5 years
• B)10 years
• C)5 months
• D)1 year
• E)20 days

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Definitions:

Random Assignment

Use of a random "chance" procedure (such as a random number generator or coin toss) to determine the condition in which an individual will participate.

Confounding Variable

A factor other than the independent variable that might produce an effect in an experiment, leading to inaccurate results if not controlled.

Independent Variable

The variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable.

Confounding Variable

An external variable that affects both the variables being studied, potentially misleading the results of an experiment.