Преобразуйте следующие утвердительные предложения в отрицательные: 1. Inorganic chemistry deals with substances obtained directly or indirectly from minerals

1. Inorganic chemistry deals with substances obtained directly or indirectly from minerals, ores and similar sources. (Отрицание при P) 2. Organic chemistry deals with substances which are composed in part of carbon. (Отрицание при S) 3. The basic concepts of chemistry have become part of the education required for many professionals. (Отрицание при C) 4. One substance can be converted into the other substance under chemical reaction. (Отрицание при A) 1. Inorganic chemistry doesnt deal with substances obtained directly or indirectly from minerals, ores and similar sources. (Отрицание пр...