Okok i think it is 2 but like i might be wrong so dont get mad at me if its wrong
The effects of radiation in coastal and forest areas are far more severe due to the larger density of wildlife in these areas and due to the ease with which the radiation can spread here.
So it should have a similarities because the words makes sense
The chemical equations for the processes are opposite of each other
The flight from Arizona to Germany is 11 hours and 38 minutes