What characterizes a solid?

A solid body has a constant shape and volume. Depending on the substance at different temperatures, it can change its state of aggregation (into liquid or gaseous)



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.