Answer:
Doing pretty good. How about you, how you doing?
The Paleozoic Era is bracketed by two major events in earth's history. It began with an unexplained explosion in animal life and ended with the world's largest mass-extinction known to man. The causes of these great events are currently unknown and under debate.
When they ask you what they just said and you don’t know what to say because u didn’t listen ur not an active listener
