Answer:
C) The dissolving reaction of A was exothermic, and the dissolving reaction of B was endothermic.
Explanation:
hope this helps :)
Answer:
If you were to divide any object into small pieces of unit volume, the density would be the mass of each small piece. Everything is made up of molecules, which in turn are made up of atoms. So every object is created from the aggregation of atoms and molecules.
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By the recreation of the congregated atomic molecules that relatively acquire the evolutionary theory.
Silicon, Germanium of Group 14
