Alice and Julio’s company makes protective coverings for off-roading vehicles. Alice’s job involves harvesting a natural polymer from trees. Julio’s job is to take that material and change it chemically to create a synthetic polymer.Which materials do Alice and Julio most likely work with?

Alice harvests a natural polymer from trees, which is natural rubber (latex). Julio chemically changes the natural material to produce vulcanized rubber, a tougher form commonly used in protective coverings. Therefore, Alice works with natural rubber and Julio with vulcanized rubber, choice B.

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