What does the ditloid 20 S in a CO stand for?

What are called elasmobranch? What word do the letters nippes spell? What other word can you spell from the letters in rubish? What are some cities on the Rhone that begin with the letter S? What is the standard board game size for most tabletop games? What is the most effective mancala strategy opening for gaining an advantage in the game? What is another word for truth 4 letter? What are 40 h in w W? What is the standard size of a Jenga block? How much do playground drinking fountains cost? What is next in the pattern and why j...f..m..a..m? What Feelings caused by the author's words in hatchet? What is another word for good thing? What is a 8 letter word for irresponsible? What is form letter? Where is Waldo County located? Examples of immoral action? What is something in Europe that starts with the letter o? How do you make a fully functional 2x2x2 Rubik's Cube entirely out of Legos without doing anything special to the pieces like cutting them into smaller pieces or super gluing them together? What are examples of thoughtful message encoding?