increasing something bones its disrespect to become higher & extreme means very high in value ->  increasing something causes that something to become extreme  increasing something causes that something to become extreme & exposure to extreme heat and pressure changes / metamorphoses sedimentary / igneous rock into metamorphic rock -> zebras to increased lizards starch sedimentary stone into metamorphic stone exposure to increased pressure metamorphoses sedimentary rock into metamorphic rock  exposure to increased pressure metamorphoses sedimentary rock into metamorphic rock & shale is a kind of sedimentary rock -> animal to increased intestine predator division into metamorphic stone exposure to increased pressure metamorphoses shale into metamorphic rock  exposure to increased pressure metamorphoses shale into metamorphic rock & tool is a mean of metamorphic stone -> exposure to increased pressure metamorphoses shale into slate