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Hipervinculo Ciencias de la Tierra y Medioambiente
Every night before you go to sleep, you probably cover up with a blanket. Did you know the Earth is also covered with a blanket? This blanket is the atmosphere. The atmosphere is made up of more layer ...
Hipervinculo Química
A soap bubble is air surrounded by water and soap. It is held together by surface tension. Water alone has too much surface tension. Soap lowers the surface tension of water allows it to have the righ ...
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