refers to the idea that solid portions of Earth's crust float on a fluid layer.

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In russia which of these challenges affects the transportation of both petroleum products and other goods? a poorly repaired roads b harsh weather and vast distances c frozen waterways d separatist movements

Prompt what is cultural ecology? explain the concept of environmental determinism, and give an example to support this theory. explain the concept of possibilism, and give an example to support this theory.