Which fossil occurs on the most land masses? what does this suggest about when these particular continents broke up? (on pangea)

The Glossopteris Plant occurs on the most land masses. This suggests that the climate around these particular continents had been very similar, if not completely the same, and that the Glossopteris had been a common plant back in the days, in addition to it being able to adapt well.

Air pollution: “combustion results in gases such as nitrogen oxides, nitrogen dioxide and particulates. the main causes of air pollution include transport, domestic combustion and industrial processes. pollutants from these sources can cause problems in the immediate vicinity and a distance away.”