Which one of the following costs was incurred in the past and cannot be recouped?

Incremental

Sunk

Opportunity

Erosion

d) center of the mid-ocean ridge

give brainleysest

sinserly,

steckh986

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.