1. What is meant by the term "infrastructure"? Find three definitions for the term and
describe each one.

1: the system of public works of a country, state, or region

also : the resources (such as personnel, buildings, or equipment) required for an activity

2: the underlying foundation or basic framework (as of a system or organization)

3: the permanent installations required for military purposes

Idk what it means by describe each one because isn't a definition part description?

answer; i believe that the correct answer is (department   of highway safety and motor vehicles);

yes we can change both the color of the value of a cell as well as background color of a cell at the same time .

as we know that excel sheet consists of columns and rows.

and intersection of column and row is called cell.

we can change color of the cell and background of the cell at the same time.

hence the statement that

can a person change color of the cell and background of the cell at the same time is true.