Where is ur fig.................
I think the answer is..... C.....
Robert hook is the one recognized vital role of the in internal environment and observers
Colonists made soap from an animal fat and potassium hydroxide. In interaction of fat and alkali there is a hydrolysis reaction. At the same time salts of a potassium and alcohols are formed.
Urban people change their environment through their consumption of food, energy, water, and land. And in turn, the polluted urban environment affects the health and quality of life of the urban population. ... For example, urban populations consume much more food, energy, and durable goods than rural populations.
