Maple syrup, which comes from the sap of maple trees, is a mixture of water and natural surgars. it's a clear, brown liquid. it's homogeneous, and the sugars cannot be separated by filtration or centrifuge. what type of mixture is it?

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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.