During the Ordovician period, it is believed that the sea levels dropped due to the movement of the continents. This event led t

Question

3 years ago

11

During the Ordovician period, it is believed that the sea levels dropped due to the movement of the continents. This event led t

o the extinction of over 50 percent of all life on earth. This event occurred about A) 5 billion years ago. B) 475 million years ago. C) 450 thousand years ago. Eliminate D) 500 million years ago.

Biology

1 answer:

RUDIKE [14] · Answer 1 · 2022-04-29T14:01:21+03:00

RUDIKE [14]3 years ago

3 0

The Ordovician period ended 443.7 million years ago, so i guess the answer choice would be B, as that is the closest to the time span.
C might be a typo though. i would ask the teacher if it is a typo or not.