Life span refers to how long information is reliable.

What is established by the following style sheet?table {border: solid 6px navy;}th, td {border: solid 2px orange;}

A. table borders B. a border around the table header C. gridlines D. both a and c

?A table consists of _____. (Select all that apply)

A. ?rows B. ?columns C. ?contour lines D. ?cells