Answer :
Answer ;
The geological era from oldest to the youngest;
1-Paleozoic era ( old life)
2-Mesozoic era ( the age of reptiles)
3- Cenozoic era ( recent life or the age of mammals )
The geological era from oldest to the youngest;
1-Paleozoic era ( old life)
2-Mesozoic era ( the age of reptiles)
3- Cenozoic era ( recent life or the age of mammals )