Question

which of the following is an example of a significant scientific breakthrough in earth science? a the discovery of penicillin b the development of solar panels c the invention of the smartphone d the theory of plate tectonics

Explanation:

Earth - science focuses on the Earth's physical structure and processes. Plate - tectonics theory explains the movement of Earth's lithospheric plates, which is a major concept in Earth - science. Penicillin discovery is in medicine, solar panels are related to energy technology, and smartphone invention is in communication technology.

Answer:

D. the theory of plate tectonics