Until the early there were only neglible amounts of free oxygen in the atmosphere. A: Mesozic B Cenozoic C Proterozoic D Precambian

Yoshimitsu asked Feb 13, 2023

36,557 views

0 votes

Until the early there were only neglible amounts of free oxygen in the atmosphere.

A: Mesozic
B Cenozoic
C Proterozoic
D Precambian

Yoshimitsu asked Feb 13, 2023

2.6k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

4 votes

Quite sure it is C

Mayank Bansal answered Feb 19, 2023

3.0k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers