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My Answered Questions
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What happens if a mother who has O negative blood is carrying a baby with O positive blood?
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When will the world end
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Is it true that you can be left or right- brained, and what makes you left or right- brained?
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Why do we need the sun to survive if we have radiators to give us heat?
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Why is cancer increasing?
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What exactly is Ebola, and how does it kill people?
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How do vaccines work?