Question

Define spamming,empty cells,line height

Answer 1

Explanation:

spamming:send the same message indiscriminately to (a large number of internet users).

empty cells:The empty-cells CSS property sets whether borders and backgrounds appear around <table> cells that have no visible content.

Answer 2

spamming:Spamming is when one person or company sends an unwanted email to another person.

empty cell:The empty-cells property in CSS selects empty table cells for the purpose of specifying whether or not to display borders and backgrounds on them. In other words, it tells the browser whether or not to draw borders around a table cell or fill in the background when that cell contains no content.

line height: Line-height is the vertical distance between lines of text. On the web, it is an equal amount of space above and below text on a line.