Answer:
Ordovician extinction
.
Explanation:
The Ordovician extinction was an event that occurred around 450 million years ago and caused the <u>disappearance of 60% of marine species.</u>
This event was caused by global cooling which resulted in the <u>drop of the sea level</u>. This change mostly affected the species that developed life in the deep, depriving them of their natural habitat.
No an object can not be made without some sources of nature
<span>The earth’s revolution is the movement of earth around the sun. the term rotation describes the earth’s movement on its own axis.
Its b.revolution,rotation.</span>
Answer: C. Buddhism
Explanation: I just took the quiz and got 100%
C. the image is a reflection of the preimage across the y-axis
