Which is the brightest star in our night sky?
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Which country has released its next-generation 'Xian' H-20 stealth bomber?
In which of the following is true for instruments of Monetary Policy?
___ is not a chemical change.
Alkali metals are assigned which group in the Modern Periodic Table?
Identify a use of the isotope of uranium.
How many chromosomes does a human cell contain?
Which of the following is a nitrogen-fixing bacteria?