Green plants give us oxygen to breathe using photosynthesis. here is the unbalanced chemical reaction that occurs:
+ → +

what coefficients balance this equation?
a) 2,2,1,3
b) 2,4,2,4
c) 6,6,1,6
d) 6,6,1,9

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i feel your pain too because i cant find my dad and hes been missing for 17 years of my life

explanation:

he went to the supermarket with your dad

i don't understand. explain it clearly