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Why do scientists think that all forms of life on earth have a common origin?
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Which organelle releases chemicals that break down large food particles into smaller ones?
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Which of these is a provisioning service people get from the ocean
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The earth's oceans are made up of chlorine, and trace elements. a) carbon, oxygen b) oxygen, silicon c) hydrogen, oxygen d) nitrogen, oxygen
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Fill in the blank with the best word to complete the sentence. white blood cells protect against and aid in blood clotting when injuries are sustained.
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Why do scientists think that all forms of life on earth have a common origin?...
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