2. Choose the type of nursing school you want to attend. In California, there are three types of pre-licensure nursing programs, and two alternative routes to become a registered nurse: 1  Associate Degree in Nursing (ADN) - Takes 2-3 years.2  Offered at many community colleges. 3  Prepares you to provide registered nursing care in numerous settings.n California, there are three types of pre-licensure nursing programs, and two alternative routes to become a registered nurse: 1  Associate Degree in Nursing (ADN) - Takes 2-3 years. 2  Offered at many community colleges.
Question and answer. Water pollution in the United States and Canada is caused by a. acid rain. c. industrial wastes. b. runoff from agricultural chemicals. d. all of the above.
SAR is caused by allergens released by tree, grass or weed pollination (and spores and moulds), whereas PAR results from allergens such as animal dander, dust mites and less frequently from allergens such as cockroaches or mould spores. Asthma and allergic rhino-conjunctivitis are common co-morbidities.