Addition Polymers. Addition polymers such as polyethylene, polypropylene, poly(vinyl chloride), and polystyrene are linear or branched polymers with little or no cross-linking. As a result, they are thermoplastic materials, which flow easily when heated and can be molded into a variety of shapes.
According to what I have read a stalk of celery is the whole bunch....a rib, is one of the many that make up the stalk....so many of the recipes are really wrong when th â¦ ey say one stalk....you would have way too much celery.
Definition of 'stalk'. stalk (stÉËk ) The stalk of a flower, leaf, or fruit is the thin part that joins it to the plant or tree. A single pale blue flower grows up from each joint on a long stalk. ...corn stalks. If you stalk a person or a wild animal, you follow them quietly in order to kill them, catch them, or observe them carefully.