What is associated with: about 10000 years ago this dug out the 10000 lakes?

Based on the clue 'about 10 of you is this simplest element', what is the answer? Based on the clue 'about 10 times a year kodak changes the 18 x 60 co...', what is the answer? What is associated with: about 1000 ad they discovered north america called parts of it helluland markland and vinland? What is associated with: about 1000 times as many people attended this mans 1970 cairo funeral as attended his successo… What is associated with: about 100000 people were on hand to greet him at le bourget airfield when he landed there in 1… Based on the clue 'about 116 square miles in area moosehead is the la...', what is the answer? What is associated with: about 1200 miles long it has a maximum depth of almost 10000 feet? Based on the clue 'about 13 long the dwarf species of this fish with ...', what is the answer?