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Mathematics 16 Online
OpenStudy (anonymous):

What are the three required elements plants obtain from soil? oxygen nitrogen hydrogen phosphorus potassium trace elements

OpenStudy (anonymous):

for sure nitrogen

OpenStudy (anonymous):

Nitrogen PhosPhorous and Potassium

OpenStudy (anonymous):

as well as trace elements such as boron, iron, etc

OpenStudy (anonymous):

The last three

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