Which among the following is the major cause of acid rain?
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Which one of the following bio reserves of India is not included in the World Network of Biosphere Reserve?
Which of the following is natural fiber?
A person who writes music -
A composer is who writes music for a song whereas a lyricist is who writes lyrics (words) for a song.
What is NOT right about Bangladesh’s flag?
Who Invented FM Radio?
cos(A+B) + cos(A-B) is equal to