A.enforces because the others so the other stuff
Sediments are defined as solid fragments of inorganic or organic material. The bulk of sediment is formed from the weathering of rock, wherein the rock is broken into smaller and smaller pieces by a variety of chemical and mechanical processes, including acidic rainfall, freeze/thaw cycles, and the actions of organisms.
So I believe the answer is right let me know
Answer:
he body's first line of defense against pathogens uses mostly physical and chemical barriers such as sweat, skin, tears, mucus, stomach acid, and so on.
Explanation:
Murray River provides hydroelectric power and water for irrigation
your answer for this question is B)