A naturally occurring substances that has a definite chemical composition is a ________________________

• Metallic

• Mineral

• Drilling

• Tidal energy

Energy generated from tides is called ______________________________

• Mining

• Mineral

• Tidal energy

• Drilling

Heat energy obtained from the earth is called ________________________________

• Tidal power

• Nuclear power

• Geothermal energy

• Wind energy

Electricity form coal is called ________________________

• Buried sunshine

• Thermal power

• Tidal power

• Conventional power

Coal is therefore referred to as ___________________

• Buried sunshine

• Conventional power

• Thermal power

• Black gold

Petroleum and its derivatives are called __________________

• Black gold

• coal

• Natural gas

• All of these

_________________ is the largest producer of high grade iron-ore in the world.

• Australia

• Africa

• Brazil

• Europe

______________ is the leading producer of iron-ore in the world .

• Asia

• south America

• North America

• Europe

_______________ is rich in mineral resources .

• Brazil

• Africa

• Australia

Australia is the largest producer of ________________in the world .

• Brazil

• Mineral

• bauxite