It Is Now Known That,overall,clouds

question 23

Multiple Choice

It is now known that,overall,clouds

• A) have a net warming effect on climate.
• B) have a net cooling effect on climate.
• C) have no net effect on climate.
• D) are the single most important feature in determining climate.

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Definitions:

Magnetic Resonance Imaging

A noninvasive medical imaging technique used to visualize detailed internal structures of the body using magnetic fields and radio waves.

Positron Emission Tomography

A medical imaging method employing radioactive materials to observe and quantify variations in metabolic activity, as well as alterations in blood circulation, local chemical makeup, and uptake.

Electroencephalography

A non-invasive method of recording electrical activity of the brain through sensors placed on the scalp, used in diagnosing and treating neurological diseases.

Magnetic Resonance Imaging

A medical imaging technique used to visualize detailed internal structures of the body using magnetic fields and radio waves.