The first Field Marshall of India was
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China has successfully launched two Beidou-3 satellites on board of which carrier rocket?
Which acid is released when an Ant bites?
Which was NOT a cause of the Dust Bowl?
An earthquake of magnitude 6 on Richter scale has ______________ times more destructive energy than an earthquake of magnitude 4.
A person holding a pen in his left hand sees his reflection in the mirror holding the pen in his right hand. This is due to which of the following phenomena?
A sound of single frequency is called a
In India, the Air (Prevention and Control of Pollution) Act came into force in 1981, but was amended in ________ to include noise as an air pollutant.