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:
Noun. 1. proximity-the property of being close together. propinquity. nearness, closeness-the spatial property resulting from a relatively small distance; the sudden closeness of the dock sent him into action.heek by jowl Side by side, in close proximity. Cheek by jowl, in use since 1577, is a variation of the older cheek by cheek, which dates from 1330. In modern English jowl means either jawâ or âcheek,â although it is more often construed as the former. Shakespeare used the expression in A Midsummer Nightâs Dream: