Anyone know science cause nobody was trying to help in there, ill medal

What caused dissolved iron to rust and deposit in banded iron formations?

Question 5 options:

outgassing

oxygen released by living cyanobacteria

huge amounts of rain

an asteroid impact

Question

Anyone know science cause nobody was trying to help in there, ill medal

What caused dissolved iron to rust and deposit in banded iron formations?

Question 5 options:
	
outgassing

	
oxygen released by living cyanobacteria

	
huge amounts of rain

	
an asteroid impact

anonymous · Answer

@rukhsar

hakunamatata34 · Answer

Its most likely c because if you put water on something metal it will rust

anonymous · Answer

Ans: oxygen released by living cyanobacteria