All of the Following Statements Describe the Effects of Plate

Multiple Choice

All of the following statements describe the effects of plate tectonics on Earth Systems EXCEPT:

A) rifting and associated volcanic activity may have contributed to extinctions.
B) gas emissions from subduction- zone volcanoes may alter the Earth's climate.
C) pieces of old subducted plates are recycled in the deep mantle.
D) convergent zones may have been the site where complex organic molecules formed.