Heat & Pressure ( So I guess in this answer choices it's " Heat up" )
The reason it's not " melt " because if melting were to take place then that would make Magma, and magma isn't metamorphic rock.
<span>phenomena if im not mistaking</span>
Answer:
Jupiter - Giant red spot
Mars - Most habitable other than earth
Mercury - Smallest terrestrial planet
Pluto - Is a Kupiter belt object
Saturn - Most visible rings
