Question

what do you understand by geological time scale? How many eras are there in n geological time scale ? Discribe major geological events tht happened in the mesozoic and Cenozoic Era?​

Answer 1

Answer:

hope it helps...

Explanation:

Eras. Eons of geological time are subdivided into eras, which are the second-longest units of geological time. The Phanerozoic eon is divided into three eras: the Paleozoic, Mesozoic, and Cenozoic. ... Finally, the Cenozoic ("new life") era is sometimes called the "age of mammals" and is the era during which we live today.