Help pls it's about cells

Which statements are true about electrolysis? check all that apply. electrolysis requires an acid be present. electrolysis is described by two half-reactions. electrolysis is not an industrial process. electrolysis results in commercially valuable products. electrolysis involves the transfer of electrons. reduction results in the loss of electrons. oxidation results in the loss of electrons.

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

What is the independent variable in this investigation? mass volume sample number substance density