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_________ acted as an immigrant gateway to New York City from 1892 to 1954.
a. Ellis Island
B. Maryland
C. Rhode Island
D. Connecticut
Oxygen
is a chemical element with symbol O, essential for most life on Earth, particularly for the process of cellular respiration.
Carbon Dioxide
A gas that is transparent and lacks smell, created during the burning of organic materials and the process of respiration.
Cell Membrane
The semipermeable membrane surrounding the cytoplasm of a cell, controlling the movement of substances in and out.
Lungs
Organs in the chest involved in the respiratory system where blood exchanges oxygen and carbon dioxide.
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