Practice Test | Kullabs.com
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  • What is the term used for describing the undesirable changes in the physical and chemical properties of the soil?

    water pollution
    sound pollution
    air pollution
    noise pollution
    soil pollution
    land pollution
  • If _______ cannot be controlled in time, the result can be lethal.

    sleeping
    none of them
    deforestation
    terrace farming
    all of them
    afforestation
  • Use of chemical fertilizers is the major source of ______ pollution.

    environmental
    air
    agricultural
    soil
    water
    sound
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