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Lauren1 Lauren1
wrote...
Posts: 4120
9 years ago
The cause of dinosaur extinction was ________________.
   a.   a bolide impact
   b.   an ecological collapse
   c.   egg-eating mammals
   d.   a or b
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Answer accepted by topic starter
milestone23milestone23
wrote...
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Posts: 9919
9 years ago
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Lauren1 Author
wrote...
9 years ago
This is perfect, thank you Grinning Face
wrote...
9 years ago
Yup, I'm pretty confident it's correct, bye for now.
Retired master
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