In which year did Vivekananda participate in the Parliament of the World's Religions?
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Petrodava Dacian Fortress is a famous archaeological landmark in
What are the organs similar in basic structure/shape, modified to perform different functions called?
During the day which process is the major driving force in the movement of water in the xylem?
____ tissue changes the diameter of a blood vessel.
Allergy Screening Blood Test for human beings does not include ___.
Except Helium, all noble gases have how many electrons in the outermost shell?
In the modern periodic table, which of the two periods contain 8 elements each?