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Video: Doomsday 2012: The End of Days according to Mayans
Esl video Organización
- 4937 visitas
This 4 minute video explains how accurate Mayan calendar was: it could predict elipses thousands of years ahead and it also predicted the arrival of Cortez in America. According to this calendar the…
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Costing the Earth: the Threat to Europe's Soils
EducaMadrid Organización
- 4139 visitas
It’s no coincidence that the word “earth” is used for both the soil and the planet we live on. Soil is vital to supporting human life on earth. Soil is literally one of the foundations for our…
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The Earth's satellite: the Moon
EduBook Organización
- 1769 visitas
3.1. General characteristics of the moon The Moon is the only natural satellite of the Earth. It is 49 times smaller than our planet. As the Moon does not have an atmosphere, the Sun's rays and the…