Answer:
60%
Explanation:
M(NH4NO3) = 2*14 +4*1 +3*16 = 80 g/mol
M(3O) = 3*16 = 48 g/mol
(48/80) *100 % =60% oxygen by mass.
metamorphic rock can change into igneous or sedimentary rock.
Igneus-cooled molten rock metamorphic-pressure of some form that warped igneuse, sedimentry a bunch of rock squised like a cornbeef sandwich
D)plastic copper
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Consumption is the answer
