True about conversion of monomer to polymer is
(A) Density changes from 1.19g/cm3 to 0.9 and volume shrinkage is 21% (B) Density changes from 1.19g/cm3 to 0.9 and volume shrinkage is 7% (C) Density changes from 0.9g/cm3 to 1.19 and volume shrinkage is 21% (D) Density changes from 0.9g/cm3 to 1.19 and volume shrinkage is 7%
(C) None