_____________ is the number of deaths in the population during a given period.
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The instrument used to measure Blood Pressure is
Which is the highest quality of hard coal?
The complete form of 'IC' in electronics is
When a compressed slinky is released it converts potential energy into
Fruits and vegetables are good sources of
Which country was a part of the Axis Powers during World War 2?
cos(A+B) + cos(A-B) is equal to