Select the most appropriat option of substiture the underlined segment in the given sentence. If no substitution in required  select No improvement. Biologists believe tha increased human activity means an accelerated rate of change in habitate for all creatures of the world.

  • 1

    No. Imp.

  • 2

    human activity is meaning an acelerated rate of change

  • 3

    human activities mean an acelerated rate from  change

  • 4

    human activity means a acelerated rate in change

Answer:- 1

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