um well you talked about uh volcanos i'm not sure how many active volcanos there are now and and what the amount of material that they do uh put into the atmosphere  i think probably the greatest cause is uh vehicles
Volcanos spill out the most material into the atmosphere.
mnli hypothesis: Volcanos spill out the most material into the atmosphere. premise: um well you talked about uh volcanos i'm not sure how many active volcanos there are now and and what the amount of material that they do uh put into the atmosphere  i think probably the greatest cause is uh vehicles