Match the type of rock with how it forms.
metamorphic
forms due to cooling
igneous
can form from decaying
animals
sedimentary
can only form
underground
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Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~

May someone me with these science questions