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100

what fills our brain

school

100

What are we running out of

helium

100

Where do we live

earth

1500

Who was the first Bachelorette in 2003

Trista Sutter

1500

What is the opposite of helium

sulfur hexafluoride

1500

Which theory posits that individuals act in their own self-interest, leading to optimal outcomes in a free market?

Adam Smith's Invisible Hand

1500

What is the only national capital that borders two different countries

Riyadh, Saudi Arabia

1500

What is the Voting Rights Act?

a U.S. federal law that prohibits racial discrimination in voting.