Why are there 24 world zones?

What planet rotates at 90 degrees to the others? What is Saturn's diameter in miles and kilometers? In what year was light found? Does silver oxidize easily? Was their any reason the roman colosseum was broken other than vandalism and natural disasters? How do you know that there is steam in the air? Why are caffeinated drinks a poor source of water? The force that keeps nucleons together is? What climate zone has warm rainy summers and cool snowy winters? Do the halogens have a higher boiling point going down the group and why is that? What is a set of cells which are usually next to each other? What kind of mineral is sufur? What is part of the body of the exoskeloton that covers the cephalothorax and protects the internal organs? Which are the carnivore animals? The percent composition of compound was found to be 22.5 o 67.6 C and 9.9 H What is the empirical formula? What happens to a compound when it dissolves? Why does Newtonian mechanics work for objects with large masses? What is nitrosamine effects on the human body? What are the major highlands in Latin America? Does eating sand kill you?