Which of the following statements is true regarding the distribution aspect of the marketing mix?

a. Intermediaries perform many activities required to move products efficiently from producers to consumers or industrial buyers.
b. Distribution is also referred to as "process."
c. Distribution is a persuasive form of communication that attempts to expedite a marketing exchange by influencing individuals, groups, and organizations to accept goods, services, and ideas.
d. Companies that sell directly to consumers cannot sell to wholesalers.
e. Intermediaries do not provide packaging and communication services.