A Portion of the Atmosphere That Becomes Warmer Than Surrounding

question 60

Multiple Choice

A portion of the atmosphere that becomes warmer than surrounding air will ____.

• A) contract and fall
• B) form a high pressure center
• C) cause clouds to disappear
• D) expand and rise

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Definitions:

Placebo

An inert or innocuous substance typically used as a control in clinical trials to test the efficacy of treatments.

Experimental Drug

A pharmaceutical compound that is in the process of being tested in preclinical or clinical trials to assess its safety and efficacy.

Full Dose

The complete amount of a medication or vaccine that is prescribed to achieve its intended effect.

Placebo

An inert or non-effective substance given to a control group in experiments to compare its effect with that of an actual drug.