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the widespread and rapid extinction of species in the present age due to negative human impact on the environment.
the process of removing salt and other minerals from seawater, to make it drinkable.
middle body tissue layer that forms the muscular, circulatory and excretory systems.
the part of the cell that controls all the activities of the cell and plays an important role in...
fats that are solid at room temperature and are found in animals. They are thought to be linked...