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Human impact on streams and rivers is minimal. Please select the best answer from the choices provided T F
asked
May 12, 2017
English
high-school
2
answers
3
votes
221k
views
Which balanced equation represents an oxidation-reduction reaction? (1) BaCl2 + Na2SO4==>BaSO4 + 2NaCl (2) C+H2O ==>CO + H2 (3) CaCO3==>CaO + CO2 (4) Mg(OH)2 + 2HNO3==>Mg(NO3)2 + 2H2O
asked
Sep 23, 2016
Chemistry
high-school
2
answers
5
votes
204k
views
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