Viral meningitis: Meningitis caused by many viruses is usually contagious. However, certain viruses that are transmitted by mosquitoes are usually not spread person to person, so they are not contagious.
3] Heat transfers through the glass by conduction 4] Heat transfers from the glass to the outside air via convection. If the temperature differences are small and there are no winds or drafts, transfer of heat to/from air/glass will be by conduction.
Convection Currents and the Mantle. Heat Transfer. The movement of energy from a warmer object to a cooler object is called heat transfer. The direction of heat transfer is always from a warmer substance to a cooler substance.