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The Earth is a rocky planet with a solid crust and oxygen in its atmosphere.
This animation presents the regions, counties and cities of Hungary.
Learning about the geographic location, capitals and flags of American countries through...
Learning about the geographic location, capitals and flags of European countries through...
This animation demonstrates the states and largest cities of the USA.
This animation demonstrates how the Earth and the Moon were formed.
A demonstration of nearby planets, stars and galaxies.
Domesticated animals and crops originate from various parts of the world.