An earthquake of magnitude _________________ on Richter scale has thousand times more destructive energy than an earthquake of magnitude 4.
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Myopia is a defect of eyes which is also known as
Algae belongs to which of the following levels of the ecosystem?
Chemical properties of isotopes .............
Stagflation is a period of _______.
The __________ exchange rate is the relative price of foreign goods in terms of domestic goods.
Which of the following elements replaced eka-Aluminium in Mendeleev's Periodic table?
Choose the one which is different or odd from the following.