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100

What gas do humans breathe to survive?

O2 or Oxygen

100

What is the largest country in the world by land area?

Russia

100

Which U.S. state is known as the sunshine state?

Florida

100

What animal has fingerprints almost identical to humans?

Koala

100

What is the name of Darth Vader's son?

Luke Skywalker

200

Which organ pumps blood throughout the body?

Heart

200

What is the smallest continent? 

Australia

200

What is the longest river in the world?

Nile River

200

What is the only mammal capable of true flight?

bat

200

What video game features Creepers and Endermen?

Minecraft

300

What is the largest organ of the human body?

Skin

300

Which ancient civilization built the pyramids of Giza?

Ancient Egyptians

300

What currency is used in Japan?

Yen

300

What is the fastest bird in the world?

Peregrine falcon

300

What is the name of the yellow Pokémon that uses electricity?

Pikachu

400

How many chambers does the human heart have?

4

400

Which country is famous for inventing pizza?

Italy

400

What is the name of the imaginary line that divides Earth into the northern and southern hemispheres?

Equator

400

What animal has blue blood?

Horseshoe crab

400

Which singer is known as the King of Pop?

Michael Jackson

500

What is the name of the process plants use to make food from sunlight?

Photosynthesis 

500

What is the main ingredient in guacamole?

avocado

500

How many hearts does an octopus have?

3

500

How many legs does a lobster have?

10

500

What country has the largest population in the world?

India