The Andes Mountains are located down the west side of South America and are the longest chain of mountains in the world. The Andes start at the top of South America and go along the coast to the bottom of South America, which spans over 400 miles. There are a lot of volcanoes found in the mountains and many are active. Like California, earthquakes are a normal occurrence and have killed many people.
a. to inform the reader how dangerous California can be.
b. to show the similarities between South America and San Francisco.
c. to describe the Andes Mountains.
d. to inform the reader that earthquakes kill people.