history of earth
Storyboard Text
- these were the early atmosphere days where there was a lot of volcanic activity there was alot of carbon dioxide with little oxygen
- when the dinsasours existed the climate was most likely hot and humid.
- at the end of the last ice age atmospheric c02 concentrations incrased by around 50%
- in the mid 1900 century new sources like water pollution and air started to be a thing but got more serious in the 20th century .
- a lot in the modern warfare cause far greater devastation on the environment. The progression the chemical to nuclear weapons has created stress on the ecosystems.
- The burning fossil fuels ends up releasing all around the air then i contributes to smog or acid rain.
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