What is decay?
A process when something that was alive is turning into simple pieces.
Water shortage, desertification, disappearing lakes, and sea level rising are caused by...?
The Greenhouse Effect.
What is combustion?
A process of burning.
What is left after something decays?
Carbon dioxide.
What is the result of the Greenhouse Effect?
Higher temperature on Earth.
What started the Greenhouse Effect?
People burning fossil fuels.
What is the Greenhouse Effect caused by?
Too much carbon dioxide in the atmosphere.
What gas is created by combustion?
Carbon Dioxide - CO2
How do we call the process of carbon changing place and form on Earth?
The Carbon Cycle.
Where does fossil fuel come from?
Very old decomposed living things.