Spaceship can research for us
Answer: oceanic-oceanic lithosphere, continental oceanic lithosphere and continental continental lithosphere.
Explanation: hope this helps!
• sum of squared differences
Ψ(f1, f2) = −∑|f1(ri)− f2(ri)|2
• correlation
i
Ψ(f ,f )=∑
I believe that the answer is Urea.