Question

1a) 2 properties that glass and plastic always share

Answer 1

4)There's no single substance called "plastic." That term covers many materials made from an array of organic and inorganic compounds. Substances are often added to plastic to help shape or stabilize it. Two of these plasticizers arebisphenol-A (BPA), added to make clear, hard plasticphthalates, added to make plastic soft and flexible