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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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Types of scientific inquiry that biologist engage in that cannot be completely controlled
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Which of the following statements about rna is true?
rna is single stranded.
rna is a d...
rna is single stranded.
rna is a d...
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