7. what evidence is found in rock strata that proves the rise of oxygen in the atmosphere? bands of iron…

7. what evidence is found in rock strata that proves the rise of oxygen in the atmosphere? bands of iron bands of solid oxygen bands of iron oxide bands of iron dioxide

7. what evidence is found in rock strata that proves the rise of oxygen in the atmosphere? bands of iron bands of solid oxygen bands of iron oxide bands of iron dioxide

Answer

Brief Explanations:

When oxygen levels in the atmosphere rose, iron in rocks reacted with oxygen to form iron - oxide. Bands of iron oxide in rock strata are evidence of this oxygen - rise event. Solid oxygen does not occur in rock strata in this context, and iron dioxide is not the relevant compound here.

Answer:

C. bands of iron oxide