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Question
drag and drop the words or phrases that accurately complete the statemen how rock forms: molten rock cools - pieces of sediment layer and get pressed together - heat and pressure change the rock - cementation sedimentary weathering igneous compaction
- For "Molten rock cools -", when molten rock (magma or lava) cools, it forms igneous rocks. So the term here is "igneous".
- For "Pieces of sediment layer and get pressed together -", the process of sediments being pressed together is compaction (and later cementation, but the pressing together is compaction). Wait, also, the type of rock formed from sediment layers being pressed is sedimentary, but the process here: the action of pieces of sediment layering and getting pressed together is compaction? Wait, no, the options: the first blank after molten rock cools is igneous (rock type). The second: pieces of sediment layer and get pressed together - the process is compaction? Wait, no, the options include sedimentary (rock type) and compaction (process). Wait, let's re - examine:
- Molten rock cools → forms igneous rock. So first blank: igneous.
- Pieces of sediment layer and get pressed together: the process is compaction? Wait, no, the options: the second blank is for the rock type or process? Wait, the statement is "Pieces of sediment layer and get pressed together -", the result is sedimentary rock? Wait, no, the options: "sedimentary" is a rock type, "compaction" is a process. Wait, the drag - and - drop: the first sentence "Molten rock cools -" → the rock formed is igneous, so "igneous".
Second: "Pieces of sediment layer and get pressed together -" → the process of sediments being pressed is compaction? Wait, no, the options: "compaction" is a process, "sedimentary" is a rock type. Wait, maybe the first blank is rock type, second is process? Wait, no, let's check the options again. The options are: cementation, sedimentary, weathering, igneous, compaction.
So:
- Molten rock cools → igneous (rock type, because cooling of molten rock forms igneous rocks).
- Pieces of sediment layer and get pressed together → compaction (the process of sediments being pressed together; later cementation, but the pressing is compaction). Wait, but also, the rock formed from sediment compaction and cementation is sedimentary. Wait, maybe the second blank is sedimentary? No, the action is "pieces of sediment layer and get pressed together", the process is compaction. Wait, the options: let's list the blanks:
First blank (after molten rock cools): igneous (rock type).
Second blank (after pieces of sediment layer and get pressed together): compaction (process) or sedimentary (rock type)? Wait, the third blank: "Heat and pressure change the rock -" → this forms metamorphic rock, but metamorphic is not an option. Wait, the options given: cementation, sedimentary, weathering, igneous, compaction.
Wait, maybe:
- Molten rock cools → igneous (rock type).
- Pieces of sediment layer and get pressed together → compaction (process of pressing sediments).
- Heat and pressure change the rock → (but no metamorphic, maybe the options are wrong? Wait, no, maybe the third blank is sedimentary? No. Wait, maybe the second blank is sedimentary? No, the action is the process. Wait, let's check standard rock cycle:
- Igneous: formed from cooling of molten rock.
- Sedimentary: formed from sediments (weathering, erosion, deposition, compaction, cementation).
- Metamorphic: formed from heat and pressure on existing rocks.
Given the options, let's match:
- Molten rock cools → igneous (correct, as igneous rocks form from cooling magma/lava).
- Pieces of sediment layer and get pressed together → compaction (the process of sediments being compressed).
- Heat and pressure change the rock → (no metamorphic, but maybe the options have a mistake, but among t…
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- Molten rock cools - igneous
- Pieces of sediment layer and get pressed together - compaction
- Heat and pressure change the rock - (no correct option from given, but if we assume a mistake, maybe sedimentary, but based on options, the first two are as above)