H2O is the correct answer :)
Answer:
<em>Green</em><em> </em><em>vitriol</em><em>-</em><em> </em><em>FeSO4·7H2O</em>
<em>white</em><em> </em><em>vitriol</em><em>-</em><em> </em><em>ZnSO₄</em>
The chemical formula for the compound strontium sulphide would be SrS.
C. They are genetically capable of making chlorophyll
