The answer to the question is a. Packed.
Answer:
Shiny metals such as copper, silver, and gold are often used for decorative arts, jewelry, and coins.
Strong metals such as iron and metal alloys such as stainless steel are used to build structures, ships, and vehicles including cars, trains, and trucks.
Explanation:
Nick and Tom were educated at Yale.
Allusion because it's <span>an expression designed to call something to mind without mentioning it explicitly; an indirect or passing reference.</span>
