What is the theme of the two crabs?

Do yeast float? How many cup of sour cream equal 1lb? What kind of salt is used on pretzels? Can the rind on soft cheeses be eaten? What country has the highest per capita consumption of ketchup? Numbers from 1 to 20 in french? Why did the greens form? What is reverse peristalsis in the esophagus better known as? How do you know when a pretzel is bad to eat or does not work? How many small hen eggs equal 1 large egg in baking? Is tomato sauce an acid? What is the nature of death referring Hamlet? If you are making molten lava cake and the recipe calls for 6 squares of bitterseet chocolate and you only have unsweet chocolate do you need to increase the powdered sugar? Your baby chameleon has stunted growth and one leg appears to be useless and black? How do you fix a chicken cockscomb? What is pudding? What will come first dissolution or liquidation? What is 'honeydew' called in Hindi? Where is the top round roast located in the cow? When hermit crabs die will they get stiff?