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.
Lesson Summary. Eutrophication occurs when an aquatic system has an overabundance of nutrients. It is most often caused by human activity like farming, maintaining golf courses and other activities that can lead to fertilizer run off.esson Summary. Eutrophication occurs when an aquatic system has an overabundance of nutrients. It is most often caused by human activity like farming, maintaining golf courses and other activities that can lead to fertilizer run off.