Biology
Grade-7
Easy

Question

_____________________ fertilizer clean up the environment and eliminate the harmful elements that afflict plants with sickness.

  1. Inorganic fertilizer
  2. Chemical fertilizer
  3. Biofertilizer
  4. Both A and B

hintHint:

Biofertilizers clean up the environment

The correct answer is: Biofertilizer


    • Biofertilizers clean up the environment 
    • Also they increase up the soil fertility,  the soil would be free of chemicals 
    • It will treating its natural fertility which will be beneficial for plants and environment

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