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Los accidentes geograficos

accidente geográfico es una estructura natural que se encuentra en la superficie de la Tierra
montaña son formadas cuando las placas tectónicas chocan, por volcanes y por erosión.
valles estrechos (en forma de "v") son formados entre las montañas por la erosión causada por el agua (ríos)
valles ancho (en forma de "u") son formados entre las montañas por la erosión causada por glaciares
deltas son formados en la boca de un río por la sedimentación de los sedimentos arrastrados por el agua del río
cañón son formados en las montañas del desierto por la erosión causada por el agua, generalmente un río
dunas de arena son formadas por la sedimentación de los granos de arena causada por el viento
cuña de hielo se forman cuando el agua se cuela por las ranuras de una roca. El agua se congela y descongela varias veces, quebrando la roca.
cueva se forma cuando el agua degrada y erosiona una roca, hasta crear una cavidad o espacio debajo de la roca.
arco se forma cuando el viento mueve partículas de sedimentos y las hace chocar contra una roca. Esta acción constante crea una cavidad en la roca.
Created by: abcuevas5
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