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:
Relational Frame Theory argues that the building block of human language and higher cognition is 'relating', i.e. the human ability to create links between things. It can be contrasted with Associative Learning, which discusses how animals form links between stimuli in the form of the strength of associations in memory.elational frame theory (RFT) is a psychological theory of human language.