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La Student Bookmarks ABCya! . Learning G.. typingclub Reading Counts C Clever | Log in X XtraMath QuaverEd - Serious_ Mp Math Games | Math_. ath | FL Next sedimentary rock weathering beat pressure heat pressure igneous rock metamorphic rock melting magma The sedimentary layers of Earth increase in temperature with depth. The massive weight of these layers also causes an increase in pressure which increases the temperature even more. This cycle of heat and pressure transforming the existing rock is called the rock cycle, a system of constantly changing rock formation and melting that links sedimentary, igneous, and metamorphic rock. The hotter the temperature and pressure the greater the metamorphic changes. Depending on the conditions under which rock is changed, the rock gradient forms new metamorphic rock into high-grade or low-grade metamorphic rock. Under what conditions would the highest grade of metamorphic rock be formed? Low Temperature and High Pressure X High Temperature and Low Pressure X U Low Temperature and Low Pressure X High Temperature and High Pressure FAX 1-877-816-0808 Blog Sign out 1 Dec 11 8:25