In a four-stroke engine, the time period when both valves are slightly open is called valve
a. seating.
b. lift.
c. duration.
d. overlap.

answer; i believe its the shape outline icon,select the shape or text box to add or change border; ///shape

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.

hey, you need to attach a picture, or type what jobs and qualifications, so i can you