Subcultures exist only within a nation's borders

On Yap Island, in the Pacific Ocean, early inhabitants used large limestone disks, known as Rai stones, as money. Some of these disks weighed as much as a car! Everyone agreed that the stones were valuable and the people utilized them in much the same way we use money today. The weight of the stones and the fact that a Rai stone is difficult to split into smaller denominations would make Rai stones unfit to act as money today because Rai stones could not act as a ________.

Fill in the blank(s) with correct word

The Internet has changed the world. Web 2.0:

A) transformed traditional retailing by selling goods and services over the Internet B) offered consumers a way to communicate with each other through e-mail C) creates online communities that connect buyers and sellers in new ways D) provided businesses with an opportunity to advertise effectively on the Internet