(Definition of âallotâ from the Cambridge Business English Dictionary Â© Cambridge University Press)
In your own words, list the fve characterisTcs an Earth material must have in order to be considered a mineral. a Minerals Formed naturally b Inorganic c Solid substances such as ice d Minerals are crystalline substances. Atom are arranged in an orderly, repeTTve manner. e Minerals are chemical compounds 2.
The materials in each layer have characteristic properties. Scientists think about Earthâs layers in two waysâin terms of their chemical composition and in terms of their physical properties. The Compositional Layers of Earth Figure 1 shows how Earth is divided into three layers based on chemical composition.cientists think about Earthâs layers in two waysâin terms of their chemical composition and in terms of their physical properties. The Compositional Layers of Earth Figure 1 shows how Earth is divided into three layers based on chemical composition.