ASVAB General Science Structure of the Earth Practice Test 103952

Question 1 of 5
Crust

The crust is the Earth's outermost layer and is divided into oceanic and continental types. Oceanic crust is 3 miles (5 km) to 6 miles (10 km) thick and is composed primarily of denser rock. Continental crust is 20 to 30 miles (30 to 50 km) thick and composed primarily of less dense rock. The crust makes up approximately one percent of the Earth's total volume.

Which of these is a type of Earth's crust?

terrestrial

oceanic

sedimentary

metamorphic