Question

what tool was used to transport the larger exterior stones from 13 km away?
bronze wheel carts
bamboo rollers
large cedar-wood sleds
stone conveyor tracks
what made limestone challenging to shape after it had been quarried and exposed to air?
it crumbled immediately
it became brittle and unsafe to use
it hardened
it absorbed water and became slippery
why was precision at the bottom layers of the pyramid so important?
the bottom stones determined the pyramid’s color
even a small error could cause structural failure near the top
it made it easier to place the capstone
workers were being evaluated for promotions

Explanation:

First Question:

To determine the tool for transporting larger exterior stones (likely for pyramid construction), historical and archaeological knowledge is used. Large cedar - wood sleds were used to transport such stones. Bronze wheel carts were not typical for this, bamboo rollers are not associated with this stone transport, and stone conveyor tracks are not a known ancient tool for this.

When limestone is quarried and exposed to air, it undergoes a chemical change. It hardens, which makes it challenging to shape. It does not crumble immediately, become brittle in the described way, or absorb water to become slippery in this context.

For the pyramid's structure, the bottom layers form the foundation. A small error in the bottom layers can accumulate and lead to structural failure near the top. The bottom stones do not determine the color, precision in the bottom has no direct relation to capstone placement, and worker promotions are not related to structural precision.

Answer:

C. Large cedar - wood sleds

Second Question: