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1. How are dolphins born? Head first Tail first
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2. How do dolphins find their way around? Sonar Echolocation Electrical fields
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3. What things threaten dolphins of becoming endangered? Polution Sharks All of the above
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4. Are killer whales dolphins? Yes No
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5. How fast can dolphins swim? 20 mph 15 mph 10 mph
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6. How do dolphins make sounds? With their blow hole With their mouth
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7. What do baby dolphins do after they're born? Swim with their mother Go to the surface
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8. How long can dolphins stay under water? 5 minutes 10 minutes 20 minutes
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9. How long can dolphins live in captivity? 10 years 25 years 45 years
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10. Are dolphins as smart as people (the expert's question)? Yes No
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