Well Fluvial processes include the movement of Sediment and erosion or deposition.
I think the best answer here is "C"
Carolus Linnaeus is the father of taxonomy, which is the system of classifying and naming organisms. One of his contributions was the development of a hierarchical system of classification of nature. Today, this system includes eight taxa: domain, kingdom, phylum, class, order, family, genus, and species.
Answer:
Intraspecific competition
Hope this helps!