Which formula below corresponds to the compound containing one copper atom, three oxygen atoms and one sulfur atom? Group of answer choices CuSO3 coSO3 CuSO3 CoSO3

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Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas

Awhite powder is added to a solution. the images show observations made before the powder is added, just after the powder has been added, and a little while later. (the liquid in the small beaker is phenol red solution.) what evidence shows that a chemical change has taken place?