Comment Re:after, therefore, because of (Score 1) 325
Following the steps outlined by the Grandparent we have:
1 measure the levels of ozone and see a reduction
2 measure the levels of CFC output and see an increase
3 determine through experiments (or simple chemical knowledge) that CFCs reaction with ozone
We can break this down to:
a) CFCs shown to react with ozone (by 3)
b) CFCs increase in atmosphere (by 2)
c) ozone reduces in atmosphere (by 1)
b and c are correlational but a is not. There is no assumption of the hypothesis that CFCs destroy ozone and by recording CFCs in the atmosphere and seeing the drop in ozone we can be pretty confident that CFC production is correlated to ozone levels dropping.
The fact that there is a link means that at worst it is "correlation=causation" and while it may just be a theory and not proven it still can be very well supported.
1 measure the levels of ozone and see a reduction
2 measure the levels of CFC output and see an increase
3 determine through experiments (or simple chemical knowledge) that CFCs reaction with ozone
We can break this down to:
a) CFCs shown to react with ozone (by 3)
b) CFCs increase in atmosphere (by 2)
c) ozone reduces in atmosphere (by 1)
b and c are correlational but a is not. There is no assumption of the hypothesis that CFCs destroy ozone and by recording CFCs in the atmosphere and seeing the drop in ozone we can be pretty confident that CFC production is correlated to ozone levels dropping.
The fact that there is a link means that at worst it is "correlation=causation" and while it may just be a theory and not proven it still can be very well supported.