Continental lithosphere is thicker and less dense than oceanic lithosphere. Continental crust is primarily composed of granitic<span> rock while oceanic crust is composed primarily of </span>basaltic<span> rock.</span>
Answer:
Compound
Explanation:
Both clause re independant, meaning they can stand on their own.
I think "that" is the adjective clause because you can remove it without ruining the sentence.
The relative pronoun is ''Which'' because relative pronouns connect to a clause or phrase to a noun or pronoun.