Answer:
Explanation:
friction between two rock surfaces grinding away minerals.
Answer:
It is essential for all living things. Fixation: In order for organisms to use atmospheric nitrogen (N2), it must be “fixed” or converted into ammonia (NH3).
Explanation:
Survival is dependent upon procreation
Answer:
Autotrophs
Explination: They are called this because they use the energy and simple inorganic compounds to produce organic molecules.