Energy sources

Mining is the activity of extracting rocks and minerals from deposits

• true

• false

Some problems associated with mining are:

• progress for producing countries and absence of conflicts

• excessive mineral consumption can use up resources

• Don´t change the landscape

• Polluted soin and water

Factors which don´t affecting mining:

• Market trends

• Extraction costs

• Environmental legislation

• All incorrects

Energy obtained from natural sources that exist in limited quantities.

• Primary energy

• Secondary energy

• Non-renewable energy

• renewable energy

Energy obtained directly from nature

• Primary energy

• Secondary energy

• Non-renewable energy

• renewable energy

Renewable energy sources:

• Nuclear energy

• Coal

• Tidal energy

• geothermal energy

This energy generated long-lasting radioactive waste that must be stored.

• nuclear energy

• wind energy

• hydroelectric power

• tidal energy

What does the image correspond to?

• Tidal energy

• Biomass energy

• solar energy

• geothermal energy

Non- renewable energy.....

• can´t be used to generate electricity.

• are combustible.

• come from fossils.

• provide most of the energy consumed in the world

Non-renewable energy....

• are availability without limit in the nature.

• have a lower environmental impact.

• have limited reserves.

• causes some countries to depend on producing countries