Which of the following best describes the Amazon Rainforest?

a. It is home to Pampas, a rich and fertile alluvial plain.
b. It contains more species of plants and animals than any other place.
c. It features the Andes, the longest range of mountains in the world.
d. It has the driest desert in the world, the Atacama.

b. It contains more species of plants and animals than any other place.