Examlex
Ozone is concentrated in which atmospheric layer?
Empirically Tested
Evaluated or tested through observation or experiment rather than theory or pure logic.
Variables
Characteristics of behavior or experience that can be measured or described by a numeric scale.
Hypothesis
A proposed explanation made on the basis of limited evidence as a starting point for further investigation.
Peer Review
The evaluation of work by one or more people of similar competence to the producers of the work, which is used in a variety of professional fields.
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