Which of the following materials is characterized by a low melting point and high corrosion resistance?

The material characterized by a low melting point and high corrosion resistance is plastic. Plastics include a wide range of synthetic compounds, many of which exhibit low melting points compared to metals and ceramics. This property allows plastics to be molded and shaped at relatively low temperatures during manufacturing processes.

In addition to their low melting points, certain plastics are designed to resist corrosion and chemical reactions, making them suitable for applications where exposure to harsh environments is expected. This combination of properties—low melting point and high corrosion resistance—makes plastics advantageous in a variety of industries, particularly in applications like piping, containers, and insulation.

The other material options do not align with the characteristics of having both low melting points and high corrosion resistance. Metals typically have high melting points and varying levels of corrosion resistance, often requiring coatings or alloying to improve this aspect. Wood does not have a melting point in the same way that synthetic materials do, and while it can resist some environmental factors, it's generally susceptible to decay and does not perform well in corrosive environments. Ceramics usually exhibit high melting points and are known for their hardness and heat resistance, but they do not possess the flexibility or low melting point characteristic of plastics.