The table shows columns that Franklin uses to organize his notes on the properties of elements. His notes state that some elements are widely used in semiconductors.

a symbiotic relationship with the mitochondria

the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.

if you listed your answers right then i believe your answer is b.