The answer is C. Rubber. Iquitos profited greatly from the boom of the rubber industry, beginning in the 1900s.
Answer: B.
Explanation:
I believe it is B. because the population hasn't had much of an increase and in the next 50 years I think it will still be the same from now till 50 years.
The current population of the United States of America is 325,372,521 as of Thursday, January 12, 2017, based on the latest United Nations estimates.
