Iron Is Required for Primary Production

question 14

Multiple Choice

Iron is required for primary production. Based on this, which of the following can be predicted?

• A) Iron fertilization of oceans can raise N₂ in the atmosphere.
• B) Iron fertilization of oceans can lower O₂ in the atmosphere.
• C) Iron fertilization of oceans can raise CO₂ in the atmosphere.
• D) Iron fertilization of oceans can lower CO₂ in the atmosphere.

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