Smelting And Refining Aluminium: Mining and rehabilitation

The video discusses the history and modern practices of mining, focusing on aluminum and bauxite. It highlights the environmental impact of mining and the rehabilitation efforts by companies like Alcoa to restore mined areas. The video also covers specific rehabilitation practices in regions like Western Australia and the Brazilian Amazon, aiming to minimize ecological damage and promote sustainability.

What is one of the primary focuses of modern mining?

• Synthetic materials

• Laboratory-created substances

• Ores like metals and coal

• Agricultural products

Which metal is the most abundant in the Earth's crust?

• Gold

• Copper

• Aluminum

• Iron

What is the process called that extracts aluminum from bauxite?

• Smelting

• Refining

• Forging

• Casting

What is a key goal of Alcoa's rehabilitation efforts in the Jarrah Forest?

• To convert the area into urban land

• To restore 100% of species richness

• To increase mining output

• To eliminate all mining activities

In Jamaica, what is one of the purposes of land rehabilitation after mining?

• To support productive land use like farmland

• To develop industrial zones

• To build residential areas

• To create new mining sites