A mid-ocean ridge separates the Pacific plate and the Nazca plate off the western coast of South America.

Pacific

plate

Nazca

plate

South

America

N

Mid-ocean ridge

W-O-E

S

Which statement best describes the relative motions of the Pacific and Nazca plates?

a

The Pacific and Nazca plates are both moving to the west.

The Pacific plate is moving to the west and the Nazca plate is moving to the east.

The Pacific and Nazca plates are both moving to the east.

The Pacific plate is moving to the east and the Nazca plate is moving to the west.

С

d