Question

Which one is the correct option

 A reddish coloured layer is formed on the rocks.



1) Water reacts with carbon dioxide.

2) Minerals in the rocks get dissolved in the water and forms a layer.

3) The iron present in the rock comes in contact with water and chemical reaction takes place between oxygen and iron.​

Answer 1

Answer:

3

Explanation:

cause probably rusting gives a reddish colour

hope it helps...