In which industry Potassium Nitrate is used commercially?
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Organisms that generate energy using light are known as ______.
Propagation of sound can be visualised as propagation of _____________ variations in the medium.
Bambusa dendrocalmus is the scientific name of _______.
What is the altitude of an equilateral triangle whose side is 12 cm?
Which of the following games was included in Rio Olympics after more than 100 years?
Ajay Thakur is associated with which sport?
Ajay Thakur is associated with Kabaddi.
Which of the following is not correctly paired?