Explain in brief terms some of the technology and developments that were important in the history and development of the Internet

so much for the extra points :

solution:

the right option is a

to adding   a new row to a table we   have to do process last table cell and pressing tab.

this is the process to add new row in the cell:

* to add a row below the cell, click insert below in the rows and columns group.

thus this is the required right answer.

its tabs i just searched it up so try tabs