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Igneous rocks are made mainly of compounds of _____.
carbon and hydrogen
silicon and oxygen
carbon and silicon
carbon and oxygen

Respuesta :

Greenleafable
Igneous rocks are made mainly of compounds of silicon and oxygen. Although there are many more elements that can be found in these types of rocks, the compounds of silicon and oxygen are what makes the most of these rocks. 
mehokkj

silicon and oxygen. Hope this helps