You start this journey at the mouth of the amazon river where it flows into the ( ocean. after voyaging up the river for about 200 miles, you reach the place where the ( river merges with the amazon river. you continue on the amazon for almost 400 more miles and arrive at the town of ( after getting much needed supplies, you decide to travel to the source of the amazon. during your trip so far, you have been traveling through the country of ( however, to the reach the source of the amazon you have to pass through colombia and enter the country of (

1.Atlantic

The Amazon river eventually meets the Atlantic Ocean, releasing up to 300 000 square meters per second during the rainy season.

The turbulent Atlantic is directly dumped with freshwater from the Amazon river, making the salinity hundred miles out to sea lower.

2.Marañon (and Ucayali)

The rivers Morona, Pastaza, Nucuray, Urituyacu, Chambira, Tigre, Nanay, Napo, Huallaga, and Ucayali are examples of river systems in Peru that comprise the Marañon River. The Marañon river runs 1000 miles and merges with Ucayali to form the Amazon river.

3.Pará Óbidos

Pará Óbidos is municipality at the swiftest and narrowest part of the Amazon River. It is located 400 miles from the sea, rushing into it at 4 – 5 miles per hour.. It streams single streambed, over 200 feet deep with a width of 1 mile.

4.Brazil

The Lower Amazon, stretching 600 miles from the river’s mouth to the ocean, is located in Brazil. It was the Brazilians that referred the convergence of streams the Amazon River “Meeting of Waters”.  Approximately 60% of the river’s basin can be found in Brazil. Two-thirds of the whole Amazon River is part of the country.

5.Peru

The Amazon River’s waters originate from the Andes Mountains and flows through Brazil, Peru, Colombia, Venezuela, Ecuador, Bolivia, Guyana, Suriname and French Guiana. 60% of the country is comprised of the Peruvian Amazonia. Peruvian Amazonia is the rainforest within Peru’s borders.

b is the right answer for this question.