Can You Answer These Real Jeopardy! Clues About Earth?

Source: 24/7 Wall St.

PLANET EARTH $2,000 (Daily Double):

Striations are the scratches these large masses leave behind as they travel over thousands of years

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Glaciers

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LET’S SET SOME BOUNDARIES $2000:

The PBL, or planetary boundary layer, is a region of this lowest part of the Earth’s atmosphere

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The troposphere

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ALTERNATIVE FACTS $400:

The planets & sun were thought to revolve around the Earth; in the 16th century, this Polish astronomer proved otherwise

Source: mariusz_prusaczyk / Getty Images

Copernicus

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PLANET EARTH $400:

Burning coal & oil in the Industrial Age has produced this, atomic No. 6–mix it with oxygen & you get a greenhouse gas

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Carbon

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PLANET EARTH $1000:

These 5 letters follow “rock” or “mud” in a type of event that killed thousands in the 2008 Sichuan earthquake

Source: DAVE GATLEY / FEMA News Photo

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