Use your understanding of the nitrogen cycle to answer the questions provided.
The nitrogen cycle could not exist without
RETRY

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.