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What is carbon?

Carbon is a chemical element, like hydrogen, oxygen, lead or any of the others in the periodic table. Carbon is... View Article

What is a pictograph?

A pictograph is the representation of data using images. Pictographs represent the frequency of data while using symbols or images... View Article

What is geometry?

Geometry is a branch of mathematics that studies the sizes, shapes, positions angles and dimensions of things. Flat shapes like... View Article

What is fire?

Fire is the product from a chemical reaction between oxygen in the atmosphere and some sort of fuel. Oxygen, fuel... View Article