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Documentário conta a Historia dos números, com ênfase na Historia do Número 1. Sistemas de Numeração. Base, valor posicional e função do zero.
Fizz! Pop! That bubbly stuff might make your taste buds happy, but what does it do to common household objects?How does a penny change when it’s left in a container of soda overnight?It is an educatio ...
Volcanoes are very interesting. I wanted to find out what happens inside a volcano. I have read about it and also seen some videos. I made a model of volcano to see how a chemical reaction makes a mag ...