Which meaning of a word refers to exactly what it is

The sample with the lowest specific heat capacity will have the greatest temperature increase. in this case, it would be platinum.

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Year  1936,  lehman predicted that the earths 'inner core' is solid. she observed that the seismic signals during her study were bent and did not pass through instead bouncing back. later it was confirmed that the earth's inner core was solid made up of nickel-iron and had a molten outer core.