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The elements iron, oxygen, silicon, and magnesium make up about 91.2% of Earth.

Earth is made out of approximately 32.1% iron (Fe), 30.1% oxygen (O), 15.1% silicon (Si), and 13.9% magnesium (Mg).

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Oops... Looks like you're on mobile

We're trying to get some mobile games up and running, but unfortunately our flash games don't work on phone or tablet. How about some hilarious science jokes instead?

Walls Logic

In Walls Logic, your task is to fill all of the empty spaces on the grid with diagonal walls.


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