Simpson explores the history and issues surrounding the Hetch Hetchy dam at Yosemite National Park, which was built to supply San Francisco with water and power even though the site was already protected within the national park.
Dapsone, also known as diaminodiphenyl sulfone (DDS), is an antibiotic commonly used in combination with rifampicin and clofazimine for the treatment of leprosy.ral dapsone was one of the first medications used to treat moderate to severe acne vulgaris, and is still occasionally prescribed for the treatment of severe cases. A topical form of dapsone is also effective with potentially less side effects.
Sodium phosphate is a group of chemical compounds. The phosphate atom can hold three other atoms. They can be three hydrogen (phosphoric acid), two hydrogen and one sodium(sodium dihydrogen phosphate), one hydrogen and two sodium (disodium hydrogen phosphate), or three sodium (trisodium phosphate).odium dihydrogen phosphate, also known as monosodium phosphate, is a chemical compound with the formula NaH 2 PO 4. It is acidic. It is used in some baking powders. It is used as a laxative or a pH buffer (something that keeps a chemical from getting more acidic or basic).