please help me its urgent and please do not write anything else otherwise I will report the answer .
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<p>(m-n)<sup>2</sup></p>
<p> p<sup>2</sup> + q<sup>2</sup> - r<sup>2</sup></p>
<p> a<sup>2</sup>b<sup>3</sup> - c<sup>4</sup>d<sup>5</sup></p>
<p> H<sub>2</sub>SO<sub>4</sub></p>
<p>KNO<sub>3</sub></p>
<p>Na<sub>2</sub>CO<sub>3</sub></p>
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1
Answer:
<html>
<head>
<title>Example of superscript and subscript<>
</head>
<body>
<h3>(m - n) <sup>2</sup></h3>
<h3>p <sup>2</sup> + q <sup>2</sup> - r <sup>2</sup></h3>
<h3>a <sup>2</sup>b <sup>3</sup> - c <sup>4</sup>d <sup>5</sup> </h3>
<h3>H<sub>2</sub>SO<sub>4</sub></h3>
<h3>KNO<sub>3</sub></h3>
<h3>Na<sub>2</sub>CO<sub>3</sub></h3>
</body>
</html>
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