div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentjackson-school-of-geosciences-the-university-of-texas-at-behind-it-two-competinghtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Jackson School of Geosciences The University of Texas at · behind it Two competing theories have attempted to account for this transformation An evolutionary hypothesis argues loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsusreader034viewer2022052615609186f92577b04f71056870html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentjackson-school-of-geosciences-the-university-of-texas-at-behind-it-two-competinghtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Jackson School of Geosciences The University of Texas at · behind it Two competing theories have attempted to account for this transformation An evolutionary hypothesis argues loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsusreader034viewer2022052615609186f92577b04f71056870html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentjackson-school-of-geosciences-the-university-of-texas-at-behind-it-two-competinghtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: Jackson School of Geosciences The University of Texas at · behind it Two competing theories have attempted to account for this transformation An evolutionary hypothesis argues loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...