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Hipervinculo Ciencias de la Tierra y Medioambiente
Surface tension is a property of liquids. Liquids have a limited ability – called surface tension - to resist an external force. For example, when a liquid forms a lens-shaped meniscus in a gradeuated ...
Hipervinculo Ciencias de la Tierra y Medioambiente
How many times have you peeked out the window on a rainy day and seen a rainbow (or two)? Rainbows usually only appear after the rain because the sun's rays bounce off the drops remaining in the atmos ...
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