Environment Shit Flashcards
what did the atmosphere used to be made up of?
carbon dioxide and very little oxygen
how did oxygen become more prevalent?
as life on earth evolved and photosynthesis took place in living creatures
how has carbon dioxide been removed from the earth?
needed during photosynthesis, some may have dissolved in oceans
what’s different about the earth’s radiation compared to the sun’s radiation?
the earth’s radiation is in the infrared region and has a longer wavelength
what do greenhouse gases do differently than other gases?
absorb infrared radiation given off by the earth but do not absorb the radiation from the sun
name 3 greenhouse gases
methane, carbon dioxide and water vapour
what contributes towards an increase in greenhouse gases?
animal farming, deforestation and the burning of fossil fuels
effects of climate change
severe storms, rising sea levels, ice caps melting
what is a carbon footprint?
amount of carbon dioxide and other greenhouse gases given out over the life of a product, service or event
\what happens to fuels when burnt?
they oxidise
