Convection is the transfer of heat energy in a gas or liquid by movement of currents. (It can also happen is some solids, like sand.) The heat moves with the fluid.
Composite volcanoes, stratovolcanoes,<span> form from subduction boundaries.
In subduction zones, an oceanic plate subducts beneath a continental plate. A volcanic arc which is a series of volcanoes can form above the subduction zones where magma forms and rises from the friction of the plates rubbing against each other.</span>
A possible cause of a large percentage of error in an
experiment where MgO is produced from the combustion of magnesium would be not all of the Mg has
completely reacted. <span>
I hope this helps and if you have any further questions, please don’t hesitate
to ask again. </span>
<span>b. square root of 3 over 3 is the answer to your question!!! I hope I helped!!!!!!!!!! XoXo -Marcey<3! :D
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