Physical contamination is when some thing is made dirty, unsterile, or unclean by physical contact with something else. Such as someone not wearing gloves and then touching your food.
Contamination is the presence of a minor and unwanted constituent (contaminant) in material, physical body, natural environment, at aworkplace, etc.
This depends on many factors: the quantity inhaled or ingested, cronic contamination or a single contamination, the chemical form of uranium, the physical form of uranium (powder, bulk solid, solution), the enrichment of uranium, the life style and the foods ingested, etc. Please define these aspects for a more correct answer.
lake michigan is a physical characteristic.
Geography
plain
The term used to define the physical features of land is "topography." Topography refers to the detailed mapping of the natural and artificial physical features of an area, including its elevation, slope, and landforms.
a liquid
any change in climate.
by its characteristics
The physical characteristic of a place
valley geography
pt is abbrviation physical therapy