You can assume that the location of the South American cities is near the coast because of terrain. South America is known for its rainforests and the mountain range along Chile. You can also assume that the cities are usually near the coast because of money (tourism, shipping, etc) there are not many cities in the inland areas of South America.
Answer:
Explanation:
HE IS perplexed at first, but then he thinks he has the answer.
Cosmic microwave bacground radiation (CMBR) and doppler Redshift.
I believe that the correct answer is B. There are many articles that talk about how workers in Mexico are getting paid these low salaries for hard factory work.