Which of the following is a fossil fuel?

• Sunlight

• Wind

• Coal

• Water

What is the primary component of coal?

• Carbon

• Nitrogen

• Oxygen

• Hydrogen

Which type of coal has the highest carbon content?

• Peat

• Lignite

• Bituminous

• Anthracite

Which is the main process by which coal is formed?

• Photosynthesis

• Sedimentation

• Compression of plant material over millions of years

• Erosion

Which country is the largest producer of coal in the world?

• India

• China

• USA

• Russia

Which of the following is a major by-product of burning coal?

• Carbon dioxide

• Oxygen

• Nitrogen

• Water vapor

Petroleum is formed from the remains of which type of organisms?

• Plants

• Fungi

• Marine organisms

• Birds

What is the raw material from which petroleum is refined?

• Coal

• Crude oil

• Natural gas

• Peat

Which is the primary use of petroleum?

• To produce electricity

• As a raw material for plastics

• As a food source

• To purify water

Natural gas is mainly composed of which compound?

• Methane

• Carbon dioxide

• Hydrogen

• Oxygen