Multiple choice

'Roaring Forties' are

  1. ocean currents in northern hemisphere

  2. cyclonic westerlies in northern hemisphere

  3. spring tides

  4. steady northwest anti-trade winds in the Southern Hemisphere
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Roaring Forties are strong westerly winds found between 40°S and 50°S latitudes in the Southern Hemisphere. They blow steadily from the northwest and are called 'anti-trade' because they flow opposite to the trade winds. These winds are particularly strong due to minimal land obstruction at these latitudes. The option D phrasing is awkward but correctly identifies them as steady northwest anti-trade winds in the Southern Hemisphere.

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