As a descending plate reaches depths of about 100 km, magma is generated in the overlying asthenosphere.
Correct Answer:
Verified
Q14: When a ridge subsides sea level may
Q15: Lithosphere is remarkably constant in thickness across
Q16: Young mountain belts, with their associated igneous
Q17: Magma that is created by ocean-continent convergence
Q18: The asthenosphere is a mantle zone of
Q20: Suture zones in continents mark old sites
Q21: One kind of convergent plate boundary is
Q22: Hess's original hypothesis was that sea-floor spreading
Q23: Sea-floor spreading implies that sea-floor rocks should
Q24: The downward plunge of cold rock at
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