Why is the average elevation of the continents higher than the average elevation of the seafloor?
A) because melting of large ice caps has caused isostatic rebound of the continents
B) because oceanic crust is composed of denser rocks than the continental crust
C) because the continents are supported by upwelling mantle currents
D) because subduction pulls down the seafloor
Correct Answer:
Verified
Q1: What principle is based on the continents
Q2: Continental crust beneath mountains can be up
Q3: How thick is the oceanic crust?
A)approximately 7
Q4: Which of the following statements about the
Q6: Where do P waves travel fastest?
A)in the
Q7: The S-wave shadow zone extends from _
Q8: How thick is average lithosphere?
A)25 km
B)100 km
C)250
Q9: Which of the following statements is true?
A)Liquids
Q10: Which of the following regions in Earth
Q11: Which of the following correctly lists the
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents