What is Earth's average density, what are the average surface rock densities, and what does this tell us
about the interior of Earth? What will be an ideal response?
Earth's average density is 5.5 g/cm3, surface rocks range between 2.5 and 3.0 g/cm3, and, therefore, the
interior must be denser than the crust.
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In a chemical reaction, a new material is formed because of a change in the
A. physical properties. B. chemical properties. C. way the atoms are bonded. D. weight of its molecules.
Many geologists now think that hot-spot volcanism results from a rising mantle plume
Indicate whether the statement is true or false
Explain the research and findings of Robert Costanza. Identify one criticism of this research
What will be an ideal response?
The proof for the long-doubted idea of drifting continents came in the form of the realization Earth is organized into ________
A) many areas of sedimentary rock B) the lithosphere and the hydrosphere C) mountains and valleys D) tectonic plates E) oceans and continents