How did cell phones change communications in the early 1990s?

A. Cell phones allowed people to get news.

B. Cell phones allowed people to perform research easily.

c. Cell phones allowed people to talk on the phone.

D. Cell phones allowed people to be in constant contact.

When there are advances in technology, such as the personal computer, how might business productivity change? a) productivity is separate from technological advances so there is no impact. the new technology can replace outdated, less efficient, machinery. o) the businesses' products will no longer be demanded. d) manufactured items will be made elsewhere.

Pls which of the following political figures was a strong supporter of the second bank of the united states. a. john c. calhoun. b. henry clay. c. andrew jackson. d. martin van buren.

Where did john jacob astor establish a fur trading post