The carbon cycle
Help
Exhaust gas _________ from the burning fossil fuels are causing global warming.
emissions
Humans have been adding more and more CO2 to the ______ since the industrial revolution.
atmosphere
The word ______ is a combination of hydrogen and carbon.
hydrocarbons
Unlock this slideshow and over 4 million more with Baamboozle+
Try slideshows
Your experience on this site will be improved by allowing cookies.
Allow cookies