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Great Plains Trivia Questions

How much do you really know about Great Plains? Below are 8 true or false statements. Click each one to reveal the answer and explanation.

1.

Prairie dog towns on the Great Plains can cover hundreds of acres.

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Easy
✓ TRUE

Black-tailed prairie dog colonies, called towns, have been found spanning over 1,000 acres, with complex burrow networks.

2.

Bison were nearly extinct on the Great Plains by 1900, with fewer than 1,000 remaining.

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Easy
✓ TRUE

Once 30 million strong, bison were hunted to near extinction—by 1889 fewer than 1,000 survived, mostly in protected areas.

3.

The Ogallala Aquifer, under the Great Plains, is one of the largest freshwater aquifers in the world.

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Medium
✓ TRUE

Spanning eight states, the Ogallala supplies about 30% of U.S. irrigation water but is being depleted faster than it recharges.

4.

The Great Plains receives more annual rainfall than the Amazon rainforest.

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Medium
✗ FALSE

The Amazon gets over 2,000 mm of rain yearly; the Plains average only 300–500 mm, classifying them as semi-arid.

5.

The Dust Bowl of the 1930s was caused entirely by a severe drought.

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Medium
✗ FALSE

Over-farming and removal of native grasses, combined with drought, led to massive dust storms—human activity was a key factor.

6.

The Great Plains is the flattest region in North America.

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Medium
✗ FALSE

While large areas are flat, the Plains include hills, badlands, and buttes—Montana’s High Plains are notably rugged.

7.

More than 90% of the original Great Plains grasslands remain intact today.

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Hard
✗ FALSE

Over 70% of the native grasslands have been converted to farmland or lost to development, making them one of the most endangered ecosystems.

8.

The Great Plains were once home to a vast inland sea called the Western Interior Seaway.

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Hard
✓ TRUE

During the Cretaceous period, a shallow sea covered much of the Plains, leaving behind marine fossils like those of mosasaurs.

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