The method used by the ancient Egyptians to build the Pyramids of Giza is still a mystery to both archeologists and historians. Among historians and scholars, which of the following is not considered a possible theory?
a. They broke up the blocks into small pieces, which were then assembled wherever they were intended to be placed.
b. They may have built a ramp of sand which stones were stacked along, and then another ramp would be built on top, and the same process repeated.
c. They may have shoved the stones along slippery, wet sand to the desired locations.
d. They made have rolled the stone on logs to the locations.