Yes, but there must be exactly 2 rows and 2 columns in first table.
Yes, table can be inserted into cell of another table.
Yes, but there must be no border in other table.
No, it’s not possible.
<table><head><tfoot>
<table><tr><td>
<table><tr><tt>
<thead><body><tr>
cell
row
step
column
Table header
Table column
Table row
Table
alignment
color
size
spanning
<td> and </td>
<th> and </th>
<tr> and </tr>
None of the above
Table Records
Table heading
Row Heading
<head></head>
<ttop></ttop>
<th></th>
<td></td>
<th>
<td>
<tr>
<tt>
Cell Spacing
Cell Padding
Width
Align
<row> and </row>
Used to separate cell walls from their contents
Used to set space between cells
Both a and b above
Used to provide width to a cell