What Percentage of greenhouse gasses were produced In the early 1900's?

Explanation:

is there a graph because the only way to findthe answer to the question is if there is a graph the only thing that i could possibly think is that it would be 70% because of world war 2

you can't see the options

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation: