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Your question: This large peninsula country is mostly a desert in Asia..?
Your answer: Saudia Arabia is the country that is mostly a desert in Asia. It is the largest country on the largest peninsula in the world.
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The type of chemical sedimentary rock that would fizzle if exposed to acid (recall that the mineral calcite reacts vigorously to hydrochloric acid) is Chalk.
Sedimentary rocks are shaped from deposits of pre-present rocks or pieces of once-living organisms that gather on the world's floor. If sediment is buried deeply, it turns into compacted and cemented, forming sedimentary rock.
Common sedimentary rocks consist of sandstone, limestone, and shale. these rocks frequently begin as sediments carried in rivers and deposited in lakes and oceans. when buried, the sediments lose water and turn out to be cemented to form rock. Tuffaceous sandstones incorporate volcanic ash.
Sedimentary rocks are varieties of rock that might be shaped by means of the buildup or deposition of mineral or natural debris at Earth's surface, accompanied by cementation. Sedimentation is the collective call for methods that reason this debris to settle in the area.
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Answer: A. the shale must be older, according to the principle of superposition
Explanation:
The layers of the surface of the earth have been formed over a long period of time. Rock pieces, sand and mud from water bodies form sediments and over time the bottom layer becomes rocks. Dead organisms trapped in these materials become fossils and mud is transformed into shale.
Looking at any of these transformed layers of the earth crust, we can conclude on their age and which was formed earlier, thanks to the law of Superposition. This law states that any given layer must be younger than the layer below it. Because shale is formed under sandstone, the shale is older.
