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15. Describe how the structure of the bird respiratory system provides the energy the bird needs for flight.
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Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.
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Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?
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Which best describes a benefit of using dna technology in medicine? a) medicine can be produced in mass quantities. b) medicine can be distributed at a reduced cost. c) medicines have fewer side effects. d) medicines are resistant to antibiotics.
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Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america
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15. Describe how the structure of the bird respiratory system provides the energy the
bird needs fo...
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