English 11 - U5. Global warming

Solid ____ like coal and wood are still used for cooking and heating.

• methane

• fuel

• fossil

• waste

Burning ___ for heating and cooking can increase indoor air pollution.

• coal

• heat

• waste

• fuel

When trees are cut down or burnt, they ____ the carbon they store into the atmosphere.

• release

• avoid

• approve

• cut down on

Carbon dioxide is a _____ gas because it traps too much of the sun's heat and stops it from escaping back into space.

• heat - trapping

• fuel - trapping

• energy - trapping

• heat

Greenhouse gases/Renewable sources are heat-trapping pollutants that cause global warming

• Greenhouse gases

• Renewable sources

Emissions of black carbon/greenhouse effect from indoor stoves can cause serious health problems.

• black carbon

• greenhouse effect

Renewable/Non-renewable energy is important to our future as it is clean and sustainable.

• Renewable

• Non-renewable

Global warming is the ____ in the earth's temperature caused by greenhouse gases.

• A. balance  

•   B. pollution

• C. increase      

•        D. heat

How do greenhouse gases ____ heat in the earth's atmosphere?

• A. trap   

•       B. burn

• C. melt 

• D. cut

The greenhouse ____ is the gradual warming of the earth's surface.

• A. effect 

• B. gas

• C. pollution  

• D. impact