Science
100

The Earth has three layers that are different due to changing temperatures, what are they?

Crust, Mantle, Core

200
What is the Largest internal organ of the human body?

What is the Liver

300

What planet in our solar system has the most gravity?

What is Jupiter?

400

According to Apollo Astronauts, the Moon smells like what?

What is burnt gunpowder?

M
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