Answer:
La contaminación es la introducción de contaminantes en el medio ambiente natural que provocan cambios adversos. La contaminación puede tomar la forma de sustancias químicas o energía, como ruido, calor o luz. Los contaminantes, los componentes de la contaminación, pueden ser sustancias / energías extrañas o contaminantes naturales.
Explanation:
1) gravity, which drives the flow downslope
2) drag at the base of the flow
3) resistance caused by viscosity of the flow,
both of which tend to slow the progress of the flow.
Answer:
weather map, also known as synoptic weather chart, displays various meteorological features across a particular area at a particular point in time and has various symbols which all have specific meanings. Such maps have been in use since the mid-19th century and are used for research and weather forecasting purposes.