Select all of the answers that apply. events or processes that have been suggested as causes of mass extinctions include meteor strikes climate change dramatic changes in levels of atmospheric carbon dioxide transitions between geologic eras widespread volcanic activity

Among the options, the correct ones would be a) meteor strikes b) climate change and e) widespread volcanic activity.

The Ordovician-Silurian Extinction is an example of a Mass Extinction Event led by Climate Change and falling sea levels.

The Triassic-Jurassic Extinction is an example of a Mass Extinction Event caused by a meteor strike.

The Cretaceous-Paleogene Extinction is an example of a Mass Extinction Event caused by a combination of Volcanic activity, Asteroid impact as well as climate change.