Read the following passage carefully and answer the questions that follow.
1- What is the Amazon rainforest? a) The world's smallest tropical rainforest b) The world's largest tropical rainforest c) The world's only tropical rainforest 2- Where is the Amazon rainforest located? a) Africa b) South America c) Asia 3- How many countries does the Amazon rainforest span over? a) Four b) Five c) Eight 4- What is the Amazon rainforest known for? a) Its high biodiversity b) Its low biodiversity c) Its lack of biodiversity 5- How many species of plants and animals are found in the Amazon rainforest? a) Countless b) Less than 10 c) More than 50 6- Are all the species of plants and animals found in the Amazon rainforest found elsewhere in the world? a) Yes b) No c) It is not mentioned in the passage 7- What are some threats to the Amazon rainforest? a) Deforestation, mining, and climate change b) Oil drilling, fishing, and tourism c) Agricultural expansion, water pollution, and urbanization 8- What can be inferred from the passage about the importance of the Amazon rainforest? a) The Amazon rainforest is not important b) The Amazon rainforest is important because of its high biodiversity and unique species c) The importance of the Amazon rainforest is not mentioned in the passage