Bathing in water bodies does not pollute water.
Ground water does not get polluted by:
Question 11 The term “water-pollution” can be defined in several ways. Which of the following statements does not give the correct definition? (a) The addition of undesirable substances to water-bodies (b) The removal of desirable substances from water-bodies (c) A change in pressure of the water bodies (d) A change in temperature of the water bodies