how does expansion and contraction help in the formation of soil
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in summer the temperature is high as a result the particles in the rock expands again in winter due to very low temperature the particles in the rock contracts.
this goes on continuously due this continuous contraction and expansion of particles in the rock it gets break down into very fine particles and hence it forms soil
this goes on continuously due this continuous contraction and expansion of particles in the rock it gets break down into very fine particles and hence it forms soil
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