The answer is: subduction zones.
Explanation:
Gene expression is the process by which the instructions in our DNA are converted into a functional product, such as a protein.
Heat convection is a mode of heat transfer by the mass motion of a fluid such as air. Heat convection occurs to the surface of an object where the surrounding fluid of object is heated and moved energy away from the source of heat.
This is a metal!
I believe this is a metal because non-metal can be cut out instantly as this element shown has a metallic luster. Metalloids can be removed as they are worse at the conduction of electricty than metals, and all of the other properties listed are properties held by metals.
(Yes this is just my old answer but only because it is really the same reasoning)
Hope this helps, if not, comment below please!!!
:L