Unordered (bulleted) lists can be created by using <ul> and <li> elements.
Unordered lists start with an opening <ul> element, followed by any number of <li> elements. Finally, unordered lists close with a </ul>.
Final Code
<h2>CatPhotoApp</h2><main><p>Click here to view more <ahref="#">cat photos</a>.</p><ahref="#"><imgsrc="https://www.bit.ly/fcc-relaxing-cat"alt="A cute orange..."></a><ul><li>cat nip</li><li>laser pointers</li><li>lasagna</li></ul></main>