An enormous rifting occurred, causing massive floods of basaltic lavas and the release of large amounts of gas. this is thought to have been the cause of which mass extinction? cretaceous-tertiary end triassic permian-triassic late devonian ordovician-silurian

guess i did not report it but why was it reported

the correct answer is - end permian.

the end of the permian was marked by the biggest mass extinction out planet had ever witnessed, so no wander that this period has been given the nickname of ''the great dying''. around 96% of the species died out, and it was caused by multiple natural catastrophes, including massive super volcano explosions and lava flows, huge amounts of co2 released into the atmosphere, as well as methane from the algae, and that contributed to acidified and stagnant oceans. it is thought that it set life on earth backwards for about 300 million years.

it is characterized by dry summers and mild wet winters

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