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What is Water Pollution?

AChanges in water temperature.

BHarmful changes in the physical, chemical, and biological properties of water.

CAn increase in the water level.

DThe presence of aquatic plants in water.

Answer:

B. Harmful changes in the physical, chemical, and biological properties of water.

Read Explanation:

  • Water Pollution refers to harmful changes in the physical, chemical, and biological properties of water.

  • Water pollution occurs because pollutants reach water sources through various pathways.

Conditions causing water pollution

  • Waste from industries

  • Pure water sources are used for washing clothes, bathing cattle, and washing vehicles.

  • Excessive use of chemical fertilizers and pesticides

  • Solid wastes


Related Questions:

The southern most river in Kerala :

Which districts does the Periyar river flow through?

  1. The Periyar river flows through Idukki and Ernakulam districts.
  2. The Periyar river originates in Palakkad district.
  3. Ernakulam is the only district the Periyar river flows through.

    Which of the following statements about the Chalakudy River is correct?

    1. The Chalakudy River originates from the Anamalai hills.
    2. It is the second longest river in Kerala.
    3. The river is formed by the confluence of several smaller rivers including Parambikulam and Kuriyarkutty.
    4. Chalakudy River flows into the Arabian Sea directly.
      The river which originates from Chimmini wildlife sanctuary is?
      പമ്പയുടെ തീരത്തു നടക്കുന്ന ഒരു പെരുന്നാൾ ?