Which of these elements will produce a flammable product

Rutherford's experiment indicated that matter was not as uniform as it appears what part of his experimental results implied this idea

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?