How can plastics typically be described?

Plastics can typically be described as materials that are usually polymers and can be produced in any color. This is because most plastics are synthetic or semi-synthetic polymers that are made from organic materials. The polymer chains give plastics their unique properties, allowing them to be molded into various shapes and sizes during manufacturing processes. Furthermore, these materials can be colored using dyes or pigments, enabling a wide range of aesthetic options for products.

The ability to produce plastics in different colors is one of their key advantages in manufacturing, making them versatile for various applications, from consumer products to industrial uses. Additionally, the capacity to be reshaped when heated further emphasizes their polymer nature rather than a rigid or fixed composition.

In contrast, the other statements do not accurately capture the characteristics of plastics. For instance, not all plastics are transparent or brittle, as many are designed to be flexible and durable. Furthermore, plastics are not classified as natural substances, but rather they are primarily derived from petrochemicals or biomass. Lastly, the description of metals does not pertain to plastics, as they are distinctly different materials with separate properties and uses.