How are convection currents related to density?

Answer

Density is the fraction between an element's mass and the capacity of space it occupies. Less dense air rises. Warm air rises; cold air sinks shows that warm air exhibits a greater density than cold air. The temperature drops to the point that leads to the formation of circular air currents known as convection currents.
Q&A Related to "How are convection currents related to density..."
It is related by the grams that are measured by density.
http://wiki.answers.com/Q/How_is_density_related_t...
Density is the mass of a substance per unit volume. Convection
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The sun drives convection in the atmosphere and, to a lesser extent, in the oceans. Heated air rises in convection currents from the Earth's surface in columns called "thermals
http://www.ehow.com/facts_5723446_causes-convectio...
the convection currents cause the plates to move by the magma underneath the lithosphere as it heats it rises and as it cools it drops this is becuase as magma heats it expands and
http://wiki.answers.com/Q/How_do_covection_current...
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