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<html><!--starting tag of html-->
<head><!--used for meta tag-->
<title><!--used for title of page-->
form concept
</title>
</head>
<body><!--is container-->
form <br>
<form><!--form tag-->
Physics:<input type="checkbox" name="c1"><br>
chemistry:<input type="checkbox" name="c2">
<!--it creats rectangular box which can be clicked
-->
</form>
</body>
</html>
