IDNLearn.com: Where your questions meet expert advice and community support. Our platform is designed to provide quick and accurate answers to any questions you may have.

Which unit of geologic time is the oldest?

A. Cenozoic
B. Mesozoic
C. Ordovician
D. Precambrian


Sagot :

Final answer:

The oldest unit of geologic time is the Precambrian.


Explanation:

Precambrian is the oldest unit of geologic time, encompassing the Hadean, Archean, and Proterozoic eons. This period covers the majority of Earth's history, with life forms consisting mainly of simple single-celled organisms.


Learn more about Geologic time here:

https://brainly.com/question/47508333


Your engagement is important to us. Keep sharing your knowledge and experiences. Let's create a learning environment that is both enjoyable and beneficial. Thank you for visiting IDNLearn.com. We’re here to provide dependable answers, so visit us again soon.