Scientists divide earth into three main layers: the core, the mantle, and the crust. how are these three layers identified?

by their chemical composition

by their structural features

by their plate tectonics

by their physical properties

According to the loco mass the mass of reactants and products

Which set of terms best describes a community of miners who live out in the countryside of west virginia and use specialized geological equipment to analyze the composition of rock?

The starting materials in a nuclear change have a total mass of 2.3465 x 10-27 kg. after the change, the resulting materials have a mass of 2.3148 x 10-27 kg. how much energy was released during the change? 2.85 x 10-12 2.08 * 10-10 j 0 211 * 10-10 j 8.56 * 10-43