Atmospheric nitrous oxide; Nitric acid; Rain and rainfall--Environmental aspects
Having been born and brought up in China, an empire, where the people are utterly ignorant of the vital importance of a good system of public water supply, and having decided to take chemistry as my profession, I feel intensely interested in the...
A man stands in a tobacco field in Kentucky with only his chest, shoulders, and head visible. He is wearing a dark hat and shirt and a lighter colored jacket. The tobacco field is quite large and farm buildings are in the distance. Title: (20092)...