Our understanding of the Earth's crust and upper mantle has remained virtually the same for a very long time (a couple of centuries).

Question

Quizplus · Accepted Answer

Our understanding of the Earth's crust and upper mantle has evolved and expanded greatly over the past century with the development of new technologies such as seismology and global positioning systems. This has led to discoveries such as plate tectonics and a deeper understanding of the composition and structure of the Earth's interior.

Our Understanding of the Earth's Crust and Upper Mantle Has