The two details that refine what the authors say about the evolution of the material used to make shoes can be seen when the text shows the materials used in the past, such as piles and leaves of plants and the materials used recently, which are more resistant and appropriate.
We can arrive at this answer because:
As society progressed, shoes took on more functions and became an essential element of everyday life. This made the manufacturing material of the shoes to be modified and become more appropriate and resistant.
This question is about “Shoes: Feet First!”
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https://brainly.com/question/23911951