The correct option is "A. is fluid and can change quickly "
The term popular culture refers to the set of cultural patterns and artistic and literary manifestations created or consumed preferably by the popular classes (low or middle class without academic instruction, or in antiquity "the plebs") as opposed to an academic culture, high or an official focused on means of expression traditionally valued as superior and generally more elitist and exclusive.
What is the Kyoto Protocol? The Kyoto Protocol was adopted on 11 December 1997. Owing to a complex ratification process, it entered into force on 16 February 2005. Currently, there are 192 Parties to the Kyoto Protocol.