Cargando...
Què puc hacer?
Troba
visualització
Rare earth elements are difficult to extract and refine. Although most of them currently come from China, they are essential for the goods we take for granted in the modern world.
It is an educational ...
Hipervinculo Ciencias de la Tierra y Medioambiente
How human activities cause soil erosion.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How human activities cause soil erosion.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Hipervinculo Ciencias de la Tierra y Medioambiente
How valuable minerals and metals are found and determined to be profitable.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Hipervinculo Ciencias de la Tierra y Medioambiente
How valuable minerals and metals are mined.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Explains why Earth has the element gold and how gold comes to be concentrated in a minable deposit.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be lo ...
How valuable minerals and metals are found and mined.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How valuable minerals and metals are extracted.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How mining affects the environment.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How mining affects the environment.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Afegir a Didactalia Arrastra el botón a la barra de marcadores del navegador y comparte tus contenidos preferidos. Más info...
