213k views
0 votes
Banded iron formations were caused by the production of which atmospheric gas?

A argon
B Oxygen
C helium
D water vapor

User Shane Lee
by
4.3k points

2 Answers

4 votes
C
Jsjsjdjdjdkfhfjdidiusjsjskdkdkdkdkdkdjdj
User SQDK
by
4.3k points
2 votes

Answer:

C

Step-by-step explanation:

User CTOMarc
by
4.0k points