tundra is peat peat of made of decaying moss moss is permeable like a sponge sponges can hold stuff stuff can change state with changes in temp/pressure st

tundra is peat peat of made of decaying moss moss is permeable like a sponge sponges can hold stuff stuff can change state with changes in temp/pressure stuff in a new state can occupy increased volume increased volume can cause increased pressure increasing pressure increases temperature changing the state of more stuff ... (wavefront) path of least resistance contains most square inches with least circumference