The process of changing a program’s internal structure without changing the way the program works is .

Explanation: changing the coding and not the way it works.

yes! has an email you can use to contact them.

explanation:

here’s the link to their contact page:

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.