What infectious agent produces cysts that transmit the condition via contaminated food and water and have the ability to survive for long periods in cold water?

Hi !

What infectious agent produces cysts that transmit the condition via contaminated food and water and have the ability to survive for long periods in cold water?

Entamoeba species are single cell organisms with two life cycle stages.

all soils contain mineral particles, organic matter, water and air the combinations determine the soil's properties – its texture, structure, porosity, chemistry and color. soil is made up of different-sized particles. sand particles tend to be the biggest.