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:
â¢ Similarity âthe tendency to perceive things that look similar to each other as being part of the same group. â¢ Proximityâthe tendency to perceive objects that are close to each other as part of the same grouping. â¢ Closure âthe tendency to complete figures that are incomplete. â¢ Continuityâthe tendency to perceive things as simply as possible with a continuous pattern rather than with a