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Biology 2nd Baccalaureate

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14.2. External geological processes

External geological processes

The energy that comes from the sun causes external geological agents to transform the relief. The action of the water of the rivers and streams, the wind, the ice, the atmosphere, contribute in the destruction of the relief . The living beings are also involved so naturally, or artificial, in the case of humans, in the transformation of the relief.

The external geological processes (weathering, erosiontransport and sedimentation) model relief, gravity transporting materials from higher areas to lower.

The geological processes produced by external geological agents and that modify the relief are:

Answer in your notebook

14.2.- Why does the Moon have craters from meteorite impacts and there are none left on Earth?


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Biology and Geology teaching materials for Compulsory Secondary Education (ESO) and Baccalaureate students.