Select the correct answer from each drop-down menu.
Complete the sentence about convection currents inside Earth.
Convection currents are formed in Earth’s
A) crust
B) mantel
C) core, which contains magma. Magma is
A) inflammable
B) weathered
C) molten
rock. Magma
A) dissolves and diffuses
B) expands and contracts
C) cools and solidifies
due to the heat from Earth’s interior.