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Question 1. The phenomena known as El Niño:

  1. Commonly occurs around Christmastime every 4 to 7 years.
  2. Is indicated by a warming of the waters off the coast of Peru.
  3. Is indicated by a slowing down or reversal of the trade-winds.
  4. All of the above.

Question 2. The movement of cold, nutrient-rich water to the surface of the ocean is referred to as:

  1. Upwelling.
  2. Southern Oscillation.
  3. Trade-winds.
  4. ENSO.

Question 3. El Niño affects weather patterns:

  1. Off the coast of Peru only.
  2. Only on the coast of California
  3. Worldwide.
  4. Primarily in the middle of the ocean.

Question 4. Which of the following is not a negative impact of El Niño?

  1. Abundance of fish off the coast of Peru.
  2. Droughts in Australia.
  3. Ice storms in eastern Canada
  4. Severe coastal storms rainfall, flooding, and mud slides on the west coast of the United States.

Question 5. We have a better understanding now of El Niño than ever before. This is a direct result of:

  1. Eye witness reports of El Niño.
  2. Space shuttle observations of El Niño.
  3. Data collected by the TOPEX/Poseidon satellite altimeter.
  4. Shipboard measurements.

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