Explain how thermal energy is transferred in convection.

Convection is the transfer of heat energy in a fluid. This type of heating is most commonly seen in the kitchen with a boiling liquid. Air in the atmosphere acts as a fluid. ... As the hot air mass rises, the air is replaced by the surrounding cooler, more dense air, what we feel as wind.

Everyday Examples of Convection

Boiling water - The heat passes from the burner into the pot, heating the water at the bottom. Then, this hot water rises and cooler water moves down to replace it, causing a circular motion. ... Steaming cup of hot tea - The steam is showing heat being transfered into the air.

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poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.

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