Amazon Geography Teaser #7 – Answer

Question: The Amazon River accounts for what percentage of all fresh water entering the world’s oceans?

Answer Choices: A) 5% B) 10% C) 15% D) 20%

Correct Answer: D) 20%

Summary: On average, the Amazon River discharges about 1,300 cubic miles per year (that’s about 6 million cubic feet per second). This number is higher than the combined discharges of the next eight largest rivers, by volume. The United States’ largest river, the Mississippi, only discharges about 75 cubic miles per year. The peak of discharge for the Amazon comes between the months of November and March, during which the river can discharge up to 500 billion cubic feet of water into the Atlantic Ocean. This is comparable to the freshwater needs of all of New York City for nine whole years! This is also the same as filling the 102 floors of the Empire State Building with water and pouring it into the Atlantic… 13,500 times! Also, during the high water season, the mouth of the Amazon can be up to 300 miles wide, which is about the distance from Philadelphia, PA to Boston, MA.

Source: Monga Bay, Rhett Butler;;
USGS, Earth’s water: Rivers and streams;


One response to “Amazon Geography Teaser #7 – Answer

  1. Pingback: Amazon Geography Teaser #7 – The Amazon releases what percentage of the world’s freshwater into the oceans? | Center for Amazon Community Ecology

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