“The mixture exploded because it became too hot.”

In the following examples, determine whether the passage is an argument or an explanation, then, if it is an explanation, determine which is the “explanandum” and which is the “explanans.”

1. “The mixture exploded because it became too hot.”
2. “Arthur is disturbed because of the events that happened during his childhood.”
3. “It should be considered armed robbery since he carried a gun.”
4. “It has been five years since he carried a gun.”
5. “Democracy is the best form of government because it involves majority rule and gives everyone a voice in decisions.