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Agas contained within a piston-cylinder assembly undergoes three processes in series: process 12: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 23: constant pressure expansion to 1 liter. process 31: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?

Explain what will happen if decomposers were apsent from a forest ecoysystem.