The correct option is A Amazon rainforest
Taiga forest:
Taiga forests have cold weather and large needle-leaved trees like conifers
Tundra forest:
Tundra is a treeless polar desert with dwarf shrubs, grasses, mosses, lichens etc.
Amazon rain forest:
The Amazon rainforest is the largest rainforest that covers not more than 6% of Earth’s surface.
It is known as the ‘lungs of planet Earth’ because this rainforest has billions of trees which absorb tonnes of CO2 and release large amounts of oxygen (nearly 20% of oxygen) .
Rain forests of North East India:
Rain forests of North East India is a dense tropical rain forest
Final answer: c. Amazon rainforest