No they are not the same material because having the same density doesnt mean its the same material also they can have a different density and be the same material
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its most definitely c. trust me
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Uniformitarianism
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-Uniformitarianism is the principle suggesting that Earth's geologic processes acted in the same manner and with essentially the same intensity in the past as they do in the present and that such uniformity is sufficient to account for all geologic change. For example, at an active volcano we can observe lava cooling to form layers of basalt.
James Hutton suggested that deep soil profiles were formed by the weathering of bedrock over thousands of years. He also suggested that supernatural theories were not needed to explain the geologic history of the Earth.
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The set of frequencies of the electromagnetic Waves emitted by the atoms of an element is called emission spectrum.
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it is defined as splitting up the given force into a number of components, without changing its effects on the body is called resolution of forces. A force is generally resolved along with two mutually perpendicular directions.
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