3 Questions
Igneous rocks are also known as ______ rocks
primary
The earth's crust is made up ______ and soil
rocks
The molten material known as magma within the crust and lava cools down and forms ______ rocks
igneous
Test your knowledge about the different types of rocks and the main materials that form them in the Earth's crust. Learn about igneous, sedimentary, and metamorphic rocks, and their formation processes.
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