Question

Insulated heat pipes, gravel pads, and __________ are used to build on top of permafrost. A. shaved sod chips B. rubber pads C. ice blocks D. wood piles Please select the best answer from the choices provided A B C D

Answer 1

Answer:

option A is correct

Explanation:

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Answer 2

Answer:

Insulated heat pipes, gravel pads, and wood piles are used to build on top of permafrost.

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