I START WITH AN E AND END WITH AN E I HAVE WHOLE COUNTRIES INSIDE OF ME WHAT AM I RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

One of Bilbos riddles for Gollum. The answer is egg. Did you answer this riddle correctly?
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Did you answer this riddle correctly?
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An "o" of course. (as in toronto). Did you answer this riddle correctly?
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Use a Skeleton Key to Unlock the Gates! Did you answer this riddle correctly?
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Peter will have to use a lock box that can hold two locks. He will put the ring in a box and will mail it to Mary. Upon receiving the box, Mary will put her own lock box inside and will send back to Peter. Peter can then-then take off his lock and send it off to Mary again. Did you answer this riddle correctly?
YES  NO  

The cabin is an airplane cabin that crashed on a mountain. Did you answer this riddle correctly?
YES  NO  

A fish. A fish bowl or aquarium is the fishs house and the people inside are the decorative divers that offer no reply (one might ask how the fish knows, given that they arent a talkative bunch themselves). Did you answer this riddle correctly?
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Book Did you answer this riddle correctly?
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China Did you answer this riddle correctly?
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The letters 'oo' Did you answer this riddle correctly?
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A tent. Did you answer this riddle correctly?
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The faster watch gains on the slower one at the rate of three minutes every hour. After 20 hours, the faster one will be ahead by one hour. Did you answer this riddle correctly?
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Hawaii Did you answer this riddle correctly?
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John said the score would be 0-0 and he was right. "Before" any football game starts, the score is always 0-0. Did you answer this riddle correctly?
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Kiwi Did you answer this riddle correctly?
YES  NO