The “digital divide” refers to the fact that
a. news websites rarely provide links to other news websites.
b. email has become one of the primary ways that americans follow politics in the last 20 years.
c. some groups are excluded from online participation in society.
d. democrats and republicans rely on very different sources of information online.

The correct option is : c. some groups are excluded from online participation in society.

Explanation:

The term Digital divide is used to describe the uneven distribution in the access or use of modern information and communications technology between different groups, based on certain criteria such as geographical, social or geopolitical. The modern day technology includes television, internet, computers, mobile phones etc.

Therefore, the term digital divide refers to that some groups are excluded from online participation in the society.

Steady-state theory, in cosmology, a view that the universe is always expanding but maintaining a constant average density, with matter being continuously created to form new stars and galaxies at the same rate that old ones become unobservable as a consequence of their increasing distance and velocity of recession.