Match the parts of the sentences: 1.The blue whale is... 2.Coal-fired power stations contribute... 3.The destruction of the rainforest is.... 4.The Indian elephant is... 5.It's very interesting to study.... 6. Nuclear power is.... a)...to the greenhouse effect. b)....a protected species. c) ...the ecosystem of the rain forest. d) .used to generate electricity. e)...in danger of extinction. f)... an ecological disaster.​