Match each synthetic polymer to its use. polyethylene
used for packaging materials
polystyrene foam
used for tires and soles of shoes
vulcanized rubber
used for plastic toys
nylon
used for ropes and nets

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the correct answer is: d. the saltine and pretzel are made of flour, yeast, and baking soda, and salt. the pecan contains no flour but it does contain fats. the pecan is a nut that can be consumed as a healthy snack. first of all, pecans are a source of fat (monounsaturated fat), but they provide less fat than some other nuts. pecans are a rich source of dietary fiber, manganese magnesium, phosphorus, thiamin, vitamin e…