Read the following sources and decide which have characteristics of reliable and unreliable information.

Why do police officers get paid less than professional baseball players?

Vincent is interested in increasing his earning potential upon completing his internship at a major accounting firm. which option can immediately boost his career in the intended direction? b. complete a certification from a professional organization c. complete a new four-year undergraduate program in a related field d. complete a two-year associate degree in a related field e. complete an online course in accounting

Google started as one of many internet search engines, amazon started as an online book seller, and ebay began as a site where people could sell used personal items in auctions. these firms have grown to be so large and dominant that they are facing antitrust scrutiny from competition regulators in the us and elsewhere. did these online giants grow by fairly beating competition, or did they use unfair advantages? are there any clouds on the horizon for these firms -- could they face diseconomies of scale or diseconomies of scope as they continue to grow? if so, what factors may limit their continued growth?