The continents "float" in Earth's mantle because they have smaller density than the oxides of iron and ______ that are more common in the mantle.
(The continents; float; L:in Earth's mantle; because they have smaller density than the oxides of iron and ______) (they; have; smaller density than the oxides of iron and ______) (the oxides of iron and ______; are; more common in the mantle)
The continents they the oxides of iron and ______
float have are
L:in Earth's mantle because they have smaller density than the oxides of iron and ______
smaller density than the oxides of iron and ______
more common in the mantle