Based on the clue 'a sea once covered most of the midwest aquatic din...', what is the answer?

What is associated with: a sculpture titled this energy was unveiled at the u of chicago in 1967 exactly 25 years after… What is referred to by 'a scum'? What is associated with: a sea chanty that became a hit in 1891 asked what shall we do with one of these? Based on the clue 'a sea creature scoot up', what is the answer? Based on the clue 'a sea wasp is not an insect but one of these sting...', what is the answer? Based on the clue 'a seafood cocktail called zarzuela is a specialty ...', what is the answer? Based on the clue 'a seal in your pool isnt good cl this element is o...', what is the answer? Based on the clue 'a sealed vase in which to keep a loved ones ashes', what is the answer?