2. Sediments come together by these processes to create sedimentary
A: rocks. B: compaction and cementation C: precipitation and cementation D: compaction and precipitation 3: compaction, cementation and precipitation
A: Regional metamorphism is due to extreme pressure caused by heat from magma B: water pressure C: the weight of overlying rock D: atmospheric pressure
4. When sediments are buried the weight above them can make them into rocks. When they are buried by more weight they can become rocks.
5. For an igneous rock to become a metamorphic rock it must
A: melt and then cool B: be broken into fragments and then cemented together C: change composition or mineral shape by heat or pressure D: An igneous rock cannot become a metamorphic rock.
In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?