Question

(03.02 mc)
two students below described a type of earths outermost layer:
student a: 5 - 12 kilometers deep
student b: makes up the sea floor
which type of outermost layer did the students describe?
they both described the oceanic type.
they both described the continental type.
student a described the oceanic type and student b described the continental type.
student a described the continental type and student b described the oceanic type.

Explanation:

• Continental crust is generally 5 - 12 kilometers thick. Student A describes a thickness of 5 - 12 kilometers, which matches the characteristics of continental crust.
• Oceanic crust makes up the sea floor. Student B describes "makes up the sea floor", which matches the characteristics of oceanic crust.

Answer:

Student A described the continental type and Student B described the oceanic type.