Sagot :
Sun heats the earth's surface.
The surface heats a shallow layer of air above it through conduction.
Convection lifts the heated air away from the surface where it's cooled and sinks back to the surface.
The surface heats a shallow layer of air above it through conduction.
Convection lifts the heated air away from the surface where it's cooled and sinks back to the surface.
simple answer.,we have metalic particles existing in our whole body especially in luquids.