How have scientists discovered the structure of atoms? a. By looking at them under a microscope
b. By running experiments that expose their properties
c. By examining only the largest atoms.
d. Bysplitting them apart.

Polyethylene is a strong synthetic polymer that can be used to make toys and bottles. polyethylene is a plastic material called thermoplastic. one very useful property of thermoplastic is that when it is heated it turns into liquid, which can be molded into desired shape and size. also the material do not dissolve at room temperature.

Tell me the answer choices and i would be able to answer. : )