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Muchas veces no le damos la debida importancia a los parques y bosques. Creemos que el tema de la reforestación, la conservación de la Amazonía, los bosque

Possible school experiment to show importance of wetlands/riparian zones! This shows the importance of plants in our soil. Plants like trees and grasses help purify ground water. Without them the ground water gets polluted and harder to clean and drink.

Proyectos de ciencias con refresco y dientes

Proyectos de ciencias con refresco y dientes

Ideas for a science fair project on tooth decay include displaying how acidic solutions decay teeth and how fluoride prevents decay.

Cómo hacer una momia egipcia para niños | eHow en Español

Cómo hacer una momia egipcia para niños

Ancient Egyptians were dedicated to the afterlife, perhaps because their mortal lives were relatively short; very few Egyptians lived to be 40 years old, according to Salima Ikram, an Egyptologist .

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