Two cylinders are made of the same metal. Both cylinders have the same cross sectional area but one is longer than the other. Which quantity is the same for both of them?

Multiply the 3 dimensions, assuming it is a rectangular cuboid, to get the volume in cm³ divide mass by volume to get density in g/cm³

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.

The genes are more on the side of.. b nature

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