Some colleges now offer massive open online courses (MOOCs), where students do not need to be in the same classroom as their instructors.
The fixed cost of an online course is relatively ________, but after the courses are placed online, the marginal cost of providing instruction to an additional student is ________.
A) high; low B) high; high C) low; high D) low; low
Question 2
A virtuous cycle refers to the development of new products that follows when a monopoly earns economic profits.
Indicate whether the statement is true or false
How stomatal pores open and close.
Dewey and the reformers attacked classes, such as this one, circa 1900, where students sat up straig
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