Use your understanding of Bowen’s reaction series to explain how partial melting can generate magmas having different composition. ​

Identify the type of chemical reaction involved in each action.

Explain how a convection current in the earth is formed.

Which of the layers of the earth has the following three characteristics? i. it is made of molten rock. ii. it has currents that are constantly moving. iii. earth’s plates float on top of its currents.