Which of the following describes a "corrosive" material?

The definition of a "corrosive" material revolves around its ability to cause damage. Specifically, corrosive substances can chemically react with and consequently damage or destroy other materials, which includes metals and living tissues. This characteristic stems from the nature of corrosive materials, which can break down or alter the composition of other substances they come into contact with, leading to harmful effects.

When applied to living tissues, corrosive materials can result in severe injuries, such as chemical burns, skin irritation, or other significant health hazards. The understanding of this classification is crucial in handling hazardous materials, as it emphasizes the need for protective measures to prevent contact with personnel.

In contrast, the other choices do not accurately describe corrosive materials. A material that can explode refers to explosive substances, while highly flammable materials are those that can easily ignite, and materials that are harmless to human health do not pose a threat at all. Therefore, option B is the most appropriate description of what constitutes a corrosive material.