Convection occurs in fluids (so both liquids and gases, as well as rheids) and is the concerted, collective movement of groups or aggregates of molecules within the above through advection or diffusion or both at the same time. Convection can never take place in solids and is only specific to fluids.
Um is this the question lol?, please add question so that I can answer it
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Apart from social and environmental impacts, earthquakes also have negative effects on a nation's economy. Governments have to be responsible for the damage caused by earthquakes. As we can see, earthquakes cause infrastructures to collapse, reservoirs dams, shops, and hospitals are devastated after an earthquake.
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newspapers, books, magazines, broadcast, radio, television, new media, Internet, social media, blogs, and documentary films.
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