___ is used to control the fission reaction rate in a nuclear reactor as it absorbs neutrons without itself getting into fissioning.
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The number of neutrons present in a nitrogen atom is ___.
Which of the following metals does NOT react with cold or hot water?
Which subatomic particle determines the identity of an element?
Which of the following is used to get relief when you have been stung by a honeybee?
Open Market Operations refer to __________
If at a price, market supply is greater than market demand, we say that there is ________ in the market at that price.
Macro economics deals with