CLR: Volcanoes B1+/B2 Teachers Pack + App Code
OverviewDeep below our feet, a mass of red-hot liquid rock is constantly flowing and churning. Sometimes, this rock erupts through openings in the surface of the Earth. These amazing displays of nature´s power are called volcanoes. Learn about different types of volcanoes, the long- and short-term effects... Skaityti daugiau
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