Jesus said to them, “If you were blind, you would have no sin; but now you say, ‘We see.’ Therefore your sin remains.(John 9:41) NKJV
Abundance of marine invertebrates; first trilobites and foraminifers. That’s what lives on the floor of the ocean. That’s why it’s at the bottom of the stratigraphic column.
The Cambrian isn’t a period of time, it’s an ocean floor ecosystem which was buried in sediment during Noah’s flood. Do you enjoy being blind? Would you like to have your eyes opened?