What are some trivia questions on science?

Answer:
1. Is moist air lighter or heavier than dry air?

2. Why does warm water freeze quicker than cold water?




Hint 1. what is the weight of a water molecule?
hint 2 what is the Mpemba Effect?
First answer by Suma rongi. Last edit by Suma rongi. Contributor trust: 157 [recommend contributor recommended]. Question popularity: 5 [recommend question].