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:
These children are standing very close to each other. The definition of close is near or almost. 1  An example of close is a house that is only one street away from the community pool. 2  An example of close is losing the game by only one point.lose-Computer Definition. (1) To finish reading or writing a document. The close function typically saves any changes made to the document and releases the file so it can be used by another application. Contrast with open. (2) To exit an application. Contrast with launch.