Fill in the Blanks Complete Online version Complete by Daniel Rincòn Casas 1 carbon footprint carbon acid greenhouse rain effect pollution wast dioxide recycle Rain that contains harmful chemicals that collect in the atmosphere when fossil fuels are burned that is called . A gas that's released by plants and by burning fossil fuels that is called - . A measurement of the amount of carbon - dioxide a person adds to the atmosphere that is called . Increase in the amount of carbon dioxide and other gases in the atmosphere which is believed to be the cause of a gradual warming of the surface of the Earth that is called Damage caused to water , air . . . . by harmful substances or waste that is called to collect and treat rubbish to produce useful materials which can be used again that is called