What replaced the early pharmacists role in the production of medicines?

Which substance absorbs 58.16 kj of energy when 3.11 mol vaporizes? a)ch4 b)h2s c)co2 d)nacl

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what