what concept did alfred wegener propose in the early 1900s after studying rock formations, fossils, and the climate of earth?

Jackson is preparing for his hearing before the federal communications commission (fcc) involving a complaint that was filed against him by the fcc regarding the interruption of radio frequency. the order to "cease and desist" using the radio frequency has had a detrimental impact on his business. once the administrative law judge prepares his or her initial order, jackson has no further options. no, jackson can request that the matter be reviewed by an agency board or commission. yes, once the initial order is presented, it's only a matter of time before the order becomes final.

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?

Andy purchases only two goods, apples (a) and kumquats (k). he has an income of $125 and can buy apples at $5 per pound and kumquats at $5 per pound. his utility function is u(a, k) = 6a + 2k. what is his marginal utility for apples and his marginal utility for kumquats? andy's marginal utility for apples (mu subscript a) is mu subscript aequals 6 and his marginal utility for kumquats (mu subscript k) is