Question

2 A. What are some advantages of using plastics over metals?​

Answer 1

Answer:

light-weight

insulator

can be made to be stronger than metals (plastic parts can actually be made to have higher-quality physical and chemical properties than metal)

low-cost

resistant to corrosion

Explanation:

hope it helps

Answer 2

Answer:

1. Plastics are cheaper to manufacture

2. More plastics can be manufactured at a cheaper cost

3. Plastics cannot be corroded the way metals can

4. some plastics expand when heated so that less plastic can be used to make a part and it is lightweight

5. Refining ores is harder than synthesizing plastics