Дополнить текст словами (physics, properties, is loving, substances, development, change, field of study, connected). перевести текст на язык. chemistry is the science of - of their structure, their and their reactions that them into other substances. this is a very large because the number of different kinds of substances is very great. chemistry is closely with biology and . it plays an important part in the development of physiology and geology. chemical science many complex problems and its rapid will be raising the living standard of people.