&gt; Guess how a shark tooth winds up buried in Montana?<p>My guess is plate tectonics.<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Plate_tectonics" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Plate_tectonics</a>