Yes she is correct. the answer is completely correct
answered: Guest
it's c (engineer's do their work with mechanical stuff not on any living being)
answered: Guest
Precipitate, and gas
answered: Guest
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.