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help me

Question Description

I’m studying for my class and don’t understand how to answer this. Can you help me study?

iefr stand for ?

Student has agreed that all tutoring, explanations, and answers provided by the tutor will be used to help in the learning process and in accordance with Studypool's honor code & terms of service.

Final Answer

institute of engineering and fertilizer research

khakaan (1456)
Duke University

Anonymous
The tutor was pretty knowledgeable, efficient and polite. Great service!

Anonymous
Heard about Studypool for a while and finally tried it. Glad I did caus this was really helpful.

Anonymous
Just what I needed… fantastic!

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