Greenhouse gases

What is one major source of greenhouse gases according to the passage?

• Human activities

• Natural disasters

• Solar flares

• Ocean currents

Which gas is released by cows and sheep that contributes to greenhouse gases?

• Methane

• Carbon dioxide

• Oxygen

• Nitrogen

What is one way to help reduce greenhouse gases mentioned in the passage?

• Using less energy

• Increasing factory production

• Driving more cars

• Cutting down trees

What do trees absorb that helps reduce greenhouse gases?

• Carbon dioxide

• Methane

• Oxygen

• Nitrogen

Which industry process is mentioned as a contributor to greenhouse gases?

• Making steel and cement

• Producing textiles

• Manufacturing electronics

• Brewing beverages