Why is Amazon rainforest thinly populated?

Read carefully through all of the statements about the Amazon. All of the statements are true but some of them help to explain why the Amazon is sparsely populated and some of them DO NOT. First go through all the statements and decide which help and which do not. delete the ones that don't. read more

Most of the people living in the Amazon Basin live in the cities that surround the rainforest, including Belem, Brazil, with a population of 1.9 million and Manaus, Brazil, with a population of around 1.5 million. read more

The first Europeans to traverse the Amazon river were the Spanish, through Orellana’s expedition, but their first descriptions of the region don’t match the sparsely populated wilderness of the subsequent centuries. read more