Ellis Island was the principal federal immigration station in the United States from 1892 to 1954. More than 12 million immigrants were processed here. Over time, the immigration station spread over 3 connected islands with numerous structures including a hospital and contagious disease wards.
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Aerobic respiration involves oxygen, while anaerobic respiration does not. Explanation: Aerobic respiration is the process of degrading glucose and other organic molecules in the presence of oxygen wherein oxygen serves as the final electron acceptor.