Choose the most appropriate answer:Natural radioactivity was discovered by
Natural radioactivity was discovered by Henri Bacquerel.
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The land forms formed by wave erosion is
Which Indian territory was formerly known as 'Black Water' before Independence?
Which Vitamin is obtained from Sun rays?
DPT vaccine is categorized as which of the following ?
The Hornbili festival is celebrated in
_________ affect the rate of humus formation of soil.
Mercury is the _______ planet from the Sun.