Question

6. During the Permian mass extinction: A) Oxygen levels in the deep oceans dropped B) Global warming occurred as a result of volcanic eruptions C) A meteorite hit the earth D) Both A & B are correct. E) A, B & C are all correct.

Answer 1

E) A, B & C are all correct.

Step-by-step explanation:

• During the Permian mass extinction also known as the great dying, comprising 96% of marine species and 70% of the terrestrial vertebrates became extinct.

• Possibly much loss of biodiversity due to the major events like the large meteor impacts, massive volcanic eruptions, associated with climate changes that brought large underwater methane gases into action.

• It took place about approximately 252 million years ago. Release of various harmful gases like Hydrogen sulfide and the Siberian Traps eruptions.