Gunbattles in Beit Jalla between Israelis and Palestinians.

How does burning impact the environment?

• It reduces air pollution

• It increases oxygen levels

• It contributes to air pollution

• It has no impact

In which industry is burning a crucial process?

• Construction

• Food

• Automobile

• Textile

What is the basic definition of burning?

• A type of physical change

• A method of freezing

• A chemical reaction involving oxygen

• A process of cooling

Which element is crucial for the burning process?

• Oxygen

• Carbon

• Nitrogen

• Hydrogen

What is one of the main products of burning?

• Water

• Carbon dioxide

• Helium

• Nitrogen gas