Multiple choice The correct descending order of the 'eras of geological time' is Precambrian, Paleozoic, Cenozoic, Mesozoic Paleozoic, Precambrian, Paleozoic, Mesozoic Precambrian, Cenozoic, Mesozoic, Paleozoic Precambrian, Paleozoic, Mesozoic, Cenozoic Reveal answer Fill a bubble to check yourself D Correct answer Explanation The geological eras in descending order of time (oldest to youngest) are Precambrian, Paleozoic, Mesozoic, and Cenozoic. This represents the correct chronological sequence of Earth's history.