Disposal of waste: This waste includes sewage, garbage and liquid waste from factories and homes. Wastages from chemical factories contain many toxic or poisonous chemicals. These are discharged into rivers. The river-water becomes poisonous for fish and other aquatic animals and plants.
Proximity. Proximity describes the tendency to perceive objects that are close to one another as being grouped together in a meaningful way. For example, you are likely to perceive no groupings in the following series of equally spaced squares:roximity. Proximity describes the tendency to perceive objects that are close to one another as being grouped together in a meaningful way. For example, you are likely to perceive no groupings in the following series of equally spaced squares:
vicinity, locality, neighborhood, neighbourhood, neck of the woods (noun). a surrounding or nearby region. the plane crashed in the vicinity of Asheville; it is a rugged locality; he always blames someone else in the immediate neighborhood; I will drop in on you the next time I am in this neck of the woods.