00:01
Which of these is not a possible cause of one of the five mass extinctions? climate change? change in the composition of the atmosphere or marine gases.
00:13
A comet or asteroid strike, worldwide thunderstorms, or volcanic eruptions.
00:18
So the five mass extinction events, for example, this would be the cretaceous paleogene extinction events, for example, that took up for dinosaurs.
00:30
Or it could be the ordovician -sylarian event.
00:35
But which of these could have caused those? let's start with e.
00:40
Volcano corruptions.
00:41
Because this definitely did have a role because if a larger volcano erupts, the released gases and ash resulting global cooling and that can cause an extinction.
00:56
So it's not e.
00:57
Similarly, a, a change in climate can cause mass extinctions, so it's not a...