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A szaharai porral érkező tápanyagok nélkülözhetetlenek az Amazonas növényvilága számára.
A Föld legbővizűbb folyama, az Amazonas és vízgyűjtő területének
Stratovolcanoes consist of layers of volcanic ash, debris and lava.
Lightning is a sudden electrostatic discharge accompanied by a sound known as thunder.
A glacier is a large body of ice that forms from snow, and is in constant, slow motion.
Cyclones are large areas of circulating air with clouds and precipitation being formed in...
A fjord is a long, narrow inlet with steep sides, created in a valley carved by glacial...
Cold and warm fronts are formed where bodies of cold and warm air meet.