D, they need to be able to absorb and keep water to prevent drying out
Answer:
nitrogen fixation.
Explanation:
Nitrogen fixation is the process by which the combination of molecular nitrogen oxygen or hydrogen is given to give oxides or ammonium that can be incorporated into the biosphere. Molecular nitrogen, which is the majority component of the atmosphere, is inert and not directly usable by most living beings.
Answer:
a surface current would be faster then a deep curtent
It is called the lines terminal is or pelvic brim