mvn
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plates

By jeveraldo on May 30, 2010

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placas

By jeveraldo on May 30, 2010

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Very good

By 11302386 on January 28, 2010

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ok

By vicenteledesma on March 18, 2009

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la animación del proceso de colisión de placas, ayuda a comprender la explicación en inglés.
Muy buen video

By guillermo.morán on December 28, 2008

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USA West (California) is between movement plates tectonics, this land is threat by huge earthquakes. This report is valuable for probing people.

By yapprgus on November 16, 2008

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Volcano is a horrible nature phenomena. We can not stop it, and we should research the reason and the formation theory of the magma eruption. We can try our best to reduce the devastation , and we would save thousands of lives on earth.

By xuhong7341 on October 17, 2008

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01:27

excellent!

By Yaohenrycn on October 15, 2008

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Me sirve para acostumbrarme a escuchar y recepcionar este dificil idioma (para mi) this is not easy!!!

By oscarrub on July 17, 2008

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Gostei muito do vídeo. Excelente instrumento de aprendizagem
em sala de aula. Pode ser usado para diversas faixas etárias.
Ainda não conhecia o site. Meu aluno, Anderson Isaac, está de parabéns
por ter enviado o material que aqui estou a comentar.
Abraço s........omentário aqui

By Lene Hayden on July 16, 2008

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