Earth is composed of layers of material with different properties. Which of the following is most likely to be in constant motion?
A B C D
core mantle oceanic crust continental crust
Question: Earth is composed of layers of material with different properties. Which of the following is most likely to be in constant motion?
(A) core
(B) mantle
(C) oceanic crust
(D) continental crust

Answer: (B) mantle
Answer: (D) continental crust
Question: Earth is composed of layers of material with different properties. Which of the following is most likely to be in constant motion?
(A) core
(B) mantle
(C) oceanic crust
(D) continental crust
Answer: (B) mantle