What purpose did Ellis Island serve? Angel Island? Compare them.

Ellis Island was not the only immigration center that welcomed large numbers of foreigners. On the West Coast of the United States, near the city of San Francisco, Angel Island served as an important immigration center from 1910 to 1940. The immigrants at Ellis Island were treated more equally than those at Angel Island. ... The main ethnic groups that came through Ellis Island were English, Irish, Italian, and Polish. ANGEL ISLAND. Immigrants at Angel Island were not treated fairly.

health care plans in the united states having high costs because they are focusing on providing quality programs for different groups of individuals. the quality of the service is based on money flow received from the members. without this investment, couldn't be possible a constant scientific searching to prevent death and illness caused because of low levels of health investigation. currently, the complaints are not about the highest cost, but about the coverage and benefits to access the necessary health services required by the members.  

besides, if a global health system is established the quality levels will fall down because of the standardized of the health. the access to care will increase but the quality will be low because it depends on the money invested.

a sample of water is taken and kept in a beaker in a freezer at a constant temperature of 0°c. if the system is at dynamic equilibrium, which of these statements is true?