23
RCMultiple Choice
Unit Test — Cumulative exam
Question 23 • GA-GSE Earth Systems B
Sydney drew a flow chart to illustrate the nitrogen cycle.
Answer
X
X: Producers undergo photosynthesis.Y: Nitrogen compounds are released into the air.X
X: Nitrogen compounds are released into the air.Y: Producers undergo photosynthesis.X
X: Free nitrogen is in the atmosphere.Y: Producers absorb nitrogen compounds through their roots.X
X: Producers absorb nitrogen compounds through their roots.Y: Free nitrogen is in the atmosphere.