Which of the following is not a way magma can change its overall composition?

Which of the following data gathering activities is not used to monitor a volcano?

As minerals crystallize along the two branches of Bowen’s Reaction Series:

Which of the following locations melt rock faster due to the addition of water?

Isotopes of the same element vary in their number of:

Geologists recognize which three major types of plate boundaries?

Which of the following is not an important difference between continental crust and oceanic crust?

Ocean crust is composed mostly of what?

Which of the following acts to keep a rock solid (instead of melting)?

Which of the following features are not associated with a divergent plate boundary?