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Did you know?
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
Did you know?
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
People about to have surgery must tell their health care providers about all supplements they take.