Which company has the comparative advantage in producing small tubes of toothpaste?

Lots of points: economics: the dollar value consists of all of the goods and services sold by of each of the following entities except: a. government b. consumers c. unemployed d. net exports

Before they can be published, scientific papers must be peer-reviewed. this means that: a) some other scientific experts read the papers and guarantee that they are true.b) some other scientific experts read the papers and provide quality control by eliminating many mistakes.c) an editor reads the papers, to make sure that all the semicolons are in the correct places.d) everyone in the world is given the opportunity to comment on the papers through a specially maintainedblog.e) government bureaucrats read the papers, to be sure that the papers do not insult the political positions ofthe current officeholders.

How have people adapted physically to different environments? why do you think these differences developed?