<prompt> Glass ionomer cements are composed ofAluminosilicate powder and phosphoric acidAluminosilicate powder and polyacrylateZinc oxide powder and phosphoric acidZinc oxide powder and polyacrylate liquid  <response>: Glass-ionomer cement is often known as a biomimetic material, because of its similar mechanical properties to dentine.SynonymsPoly alkenoate cementGIC glass ionomer cementASPA alumino silicate polyacrylic acidRef: Mannapalli ed 3 pg 67 