The St. Johns River has changed dramatically in the last 25 years because of A. URBAN RUNOFF

B. POPULATION INCREASE

C. NUTRIENTS FROM CHEMICAL TREATMENT OF LAWNS

D. CHANGES IN WILDLIFE

E. ALL OF THE ABOVE

Please hurry

> b takes place in the gas phase in an isothermal tubular reactor. the feed is one mole of a per one mole of c, an inert. the entering temperature and pressure are 427°c and 10 atm, respectively. the gas constant r = 0.08206 atm · l/mol · k.