johndoemansa81919 johndoemansa81919
  • 18-12-2020
  • Chemistry
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Help me guys plzlzlz

Help me guys plzlzlz class=

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supercollider
supercollider supercollider
  • 18-12-2020

i think its d because 900+1200 is 2100, but im probably wrong for question 1

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sydstrout16
sydstrout16 sydstrout16
  • 19-12-2020
the correct answer is d
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