51
hope that helped you on your journeys
Answer: Paleozoic
Explanation: The Paleozoic Era, which ran from about 542 million years ago to 251 million years ago, was a time of great change on Earth. The era began with the breakup of one supercontinent and the formation of another plants became widespread. And the first vertebrate animals colonized land.
Not quite sure but would say Archaebacteria with the most confidence... hope this helps good luck
The weather man said the relative humidity will be high today
