Nitrogen.
Plants cannot use atmospheric nitrogen directly. Nitrogen from the air must be converted into the different form so plants can absorb it. Thus plants need nitrogen-fixing bacteria to convert atmospheric nitrogen into ammonium, which is available for plants to absorb it.
Answer:
well in some cases granite is not in fact allowed to from bacause many popele said no.
Explanation:
you see here i have no idea waht this is because i m not in this class but
