Aerosols reduce primary productivity by

  • A
    Destroying leaf tissue
  • B
    Premature leaf fall
  • C
    Reducing crop yields
  • D
    All of these

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The warm Peruvian current that appears every $5$ to $8$ years off the coast of South America in the eastern Pacific is known as:

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Column-$I$ Column-$II$
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$(q)$ $CFC$ $(ii)$ Antarctica region
$(r)$ Ozone hole $(iii)$ Greenhouse effect
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What is the biological concentration of $DDT$ in the body fat of Indian people?

Which of the following is not dangerous for life and the atmosphere?

Which one of the following statements is incorrect in the case of the Bhopal tragedy?

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