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Biology, 21.06.2019 15:20
Sydney drew a flow chart to illustrate the nitrogen cycle.which labels best complete the flow chart? x: producers undergo photosynthesis.y: nitrogen compounds are released into the air.x: nitrogen compounds are released into the air.y: producers undergo photosynthesis.x: free nitrogen is in the atmosphere.y: producers absorb nitrogen compounds through their roots.x: producers absorb nitrogen compounds through their roots.y: free nitrogen is in the atmosphere.
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Biology, 22.06.2019 12:30
When rutherford performed his metal foil experiment, he was surprised that most of the alpha particles
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Biology, 22.06.2019 16:30
What are the three different shapes, or structures, of carbon-based molecules
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The respiratory membrane is a combination of...
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