Cell X has a large number of mitochondria with many internal folds. Cell Y, however, has few mitochondria and fewer internal folds. What can you conclude about the functions of these two types of cells?

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

silty loam

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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.