Why do countries engage in specialization and trade? A To earn the highest possible profits on the global market

B Many countries have limited resources so they have to limit what
they make

C To align with the educational levels of a country's work force

D To obtain the goods and services they need in the most efficient
way.

a. there was serious competition for tech jobs at the downtown clinic.

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the alfred thayer mahan award for literary achievement is awarded each year by the navy league of the united states. the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation. presented since 1957, "this award for literary achievement is awarded to a u.s. navy officer, u.s. marine corps officer, enlisted service member, or civilian who has made a notable literary contribution that has advanced the knowledge of the importance of sea power in the united states."[1]

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.