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In what for do plants utilize nitrogen? why do they need nitrogen?
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Drag the correct tiles to the image. not all tiles will be used. the diagram is a schematic representation of the electron transport mechanism in mitochondria. label the diagram to complete the model.
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Describe how viruses and bacteria can be used as biological weapons. what are some of the potential threats and potential benefits? do you agree with the use of viruses and bacteria as biological weapons? why or why not?
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Follow the dorsal aorta into the abdominal cavity to the umbilical artery branches. these branches p...
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