The Cambrian Explosion resulted in the evolution of the first representatives of most animal phyla. The second option among all the options given in the question is the correct option. The Cambrian Explosion is also known as Cambrian Radiation and it took place around 542 million years ago.
<span>raised plots for crops were built from mud in the lake bed with canals between them.</span>
The Hudson River, especially during the French and Indian War. <span />
