PLEASE HELP Which of the following describes how trade between the countries of North America is affected by their geographic location?

Select one:

a. High taxes make it expensive for these countries to trade with each other.

b. It costs much less to transport goods because the countries border each other.

c. Moving products is difficult since few rivers flow from the U. S. to other countries.

d. Trade is not desired since they are close together and have the same natural resources.

You're doing research for a public essay on alternative medicine. which of the following sources has the most reliable information? a.a post on a social networking site about the undesired side-effects of different alternative medicinesb.a recent government report comparing the results of alternative and contemporary medicine for a specified diseasec.an anonymous article on a medical website that claims the success of alternative medicined.a 2003 study conducted by a medical research center about the effects of alternative medicine

Which of the following variables has the strongest influence on the variations found in american family life? a.race and ethnicity b.religious affiliation c.social class and culture d.education and occupation

How has congress added to the president’s role as chief economic planner over the years?