Question

tag. used. to. mark. row. as heading​

Answer 1

Answer:

The HTML <th> tag defines a header cell that can appear in the first row of an HTML table. Browsers traditionally render the text found within the <th> tag as bold, center-aligned text. This tag is also commonly referred to as the <th> element

Answer 2

Answering by rishikesh<--(♥)-->

The html <tr> element defines a row of cells in a table . The row's cells can then be established using a mix of <td> (data cell) and <th>(header cell) elements..

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◌⑅⃝●♡⋆by rishikesh⋆♡●⑅◌