When oxygen combines with water and iron in rock, what is produced? Lichen
Lichen

Minerals
Minerals

Acid rain
Acid rain

Rust

Rust.

Explanation:

First, the acidified water will dissolve some of the iron by removing electrons. Then, the water will begin to break down into hydrogen and oxygen. Free oxygen reacts with dissolved iron to form iron oxide, and iron oxide is rust.

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answer at the divergent plate boundary in the middle of the ocean;