If marginal revenue exceeds marginal cost, a price-taker firm should

______________ accounts for interrelationships among markets.

Fill in the blank(s) with the appropriate word(s).

Which one of the following statements about global population is true?

A) Since the 1970's, both population and population growth rates have increased B) Since the 1970's, population growth rates have declined but population has increased C) Since the 1970's, population growth rates have remained constant but population has increased D) Since the 1970's, both population and population growth rates have declined