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:
Pelagic...
Explanation:
The yellowfin tuna is a species of tuna found in pelagic waters of tropical and subtropical oceans worldwide....
Intracellular fluid (ICF) is found only within blood vessels.
