D. crystal settling within the magma. Igneous Rock Classification. Worth 1 pt. None of the following are minerals by definition. A. A clam shell B. A diamond crystal made in a Westinghouse lab.
Some volcanoes are more dangerous to humans than others because of the magma they erupt.
This volcano is most dangerous when it is erupting a 4. It's too late to avoid the slope and moving back your house is too expensive.