Basic General Knowledge
The Rh factor refers to

a process that speeds up the clothing of blood
a hormone carried by the blood
a protein substance found in the blood of some people
the ratio of red corpuscles to white corpuscles in the blood

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Basic General Knowledge
Raja Rammohan Roy

All of these
was the founder of the Brahmo Samaj
advocated widow remarriage and woman's education
was a social reformer who tried to eradicate sati, purdah and child marriage

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