91. The Anthrax disease is caused by
92. Bio gas generation is mainly based on the principle of
93. Which of the following ecological pyramid is always upright?
94. A graphic representation of number of individuals of different species belonging to each trophic level in a an ecosystem is known as
95. "Silent Spring" is a well known book written by
96. The book silent spring was written by
97. The cold feeling that you experience after leaving a swimming pool on a hot, dry, summer day represents heat transfer by:
98. The transfer of heat by molecule-to-molecule contact:
99. Example for a physical pollutant
100. The transfer of heat by molecule-to-molecule contact is:
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