Ans 1:
Ans 4: (Master Answer)
Class : Class 1
The correct answer is B.
The first telescope was invented by Hans Lippershey who was a German-Dutch spectacle maker.
Charles Darwin developed the theory of evolution.
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Ans 1: (Master Answer)
Class : Class 1
The correct answer is B.
The 2017 Mobile World Congress (MWC) was held in Barcelona, Spain.
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Ans 1: (Master Answer)
Class : Class 1
The correct answer is B.
Opuntia, also known as prickly pear belongs to cactus family which has adapted itself to the extreme environment by modifying its leaves into spines.
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Ans 1:
Class : Class 6
Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.
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