Part A What is the ratio of the intensities of an earthquake P wave passing through the Earth and detected at two points 20 km and 42 km from the source. Express your answer using two significant figures ? I42km I20km %3D Submit Request Answer Part B What is the ratio of the amplitudes of an earthquake P wave passing through the Earth and detected at two points 20 km and 42 km from the source. Express your answer using two significant figures ? A42km %3D A20km

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Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.