How did the flame test provide evidence that specific atoms are present in compounds?

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.

What does the process of natural selection involve

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?