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Geography
100

What is Thomas Edison's most famous invention?

Lightbulb

100

What is the world's longest river?

Amazon River

100

What is the most common eye color in humans?

Brown

100

What is the rarest M&M color?

Brown

100

The Amazon River flows primarily through which country?

Brazil

200

What year was the first iphone released?

2007

200

In the United Kingdom, what is the day after Christmas Day called?

Boxing Day

200
What is the largest bone in the human body?

Femur

200

What is the largest planet in the solar system?

Jupiter

200

What is the longest river in the United States?

Missouri River

300

What does HTTP stand for?

Hypertext Transfer Protocol

300

What is the most common first language in the world?

Mandarin Chinese

300

The first vaccine developed was for what disease?

Smallpox

300

What was the original purpose of the tiny pocket in jeans?

To store pocket watches

300

What is the capital of Canada?

Ottawa
400

In the car industry, what does "BMW" stand for?

Bavarian Motor Works

400

What is the only continent without an active volcano?

Australia 

400

What is the largest animal to have ever existed?

The blue whale

400

What is the only letter of the alphabet not to appear in the name of any US state?

Q

400

Which U.S. state is called "The Sunshine State"?

Florida

500

Originally, Amazon only sold what kind of product?

Books

500

What is the world's biggest island?

Greenland

500

What are the three layers of the earth?

Crust, core, mantle

500

What is the national animal of Scotland?

The unicorn

500

Which U.S. city is nicknames "The Windy City"?

Chicago