Question

1.What is the difference between radiation and advection
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Answer 1

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Convection is a method of thermal energy transfer where the transfer of heat occurs via fluid motion.

Advection is the transport of matter by bulk motion, such as the movement of riverbed silt by the flow of the river.

Answer 2

Answer: radiation-  

In physics, radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium. Radiation is often categorized as either ionizing or non-ionizing depending on the energy of the radiated particles. Ionizing radiation carries more than 10 eV, which is enough to ionize atoms and molecules and break chemical bonds. This is an important distinction due to the large difference in harmfulness to living organisms. A common source of ionizing radiation is radioactive materials that emit α, β, or γ radiation, consisting of helium nuclei, electrons or positrons, and photons, respectively. Other sources include X-rays from medical radiography examinations and muons, mesons, positrons, neutrons and other particles that constitute the secondary cosmic rays that are produced after primary cosmic rays interact with Earth's atmosphere.

Advection - the transfer of heat or matter by the flow of a fluid, especially horizontally in the atmosphere or the sea.

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