Which of the Following Statements About El Niño Are True

question 38

Multiple Choice

Which of the following statements about El Niño are true?

• A)Occurrence of El Niño is irregular and unpredictable.
• B)The immediate effect of El Niño is a weakening in the east-to-west trade winds
• C)Weakening in the trade winds results in more upwelling along the Peru-Ecuador coast.
• D)El Niño results in the movement of weather systems from the western Pacific eastward.
• E)El Niño events in the Pacific can influence weather as far away as Africa.

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Definitions:

Radioactive

Capable of emitting radiant energy.

Positron Emission Tomography

A type of imaging test that uses a radioactive substance to look for disease in the body, particularly useful in detecting cancer.

Maturity

A state of full development.

Contrast Medium

A material employed in medical imaging to enhance the clarity of internal body structures.