Which choice represents a pair of resonance structures? view available hint(s) which choice represents a pair of resonance structures? a. n⋅⋅≡c−s−h and n⋅⋅≡c−s: − : b. o⋅⋅=n⋅⋅−f: and : n⋅=o⋅⋅⋅−f: c. h−h and : i−i: d. o−s⋅⋅⋅=o⋅⋅: and : o⋅⋅=s⋅⋅⋅−o:

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.

Mitosis is a type of cell division that produces cells that are identical to the parent cell. meiosis is a different type of cell division that produces cells that carry have a genetic material of the parent cell. based on the information provided how do the purpose of mitosis and meiosis differ

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.