第11章 1. Global warming and climate change are terms for the observed century-scale rise in the average temperature of the Earth’s _____ and its related effects. A. climate system B. environment C. eco-system D. temperature 2. Which of the following is not a kind of non-renewable fuels? A. fossil fuels B. biofuels C. natural gas D. nuclear energy 3. The Amazon rain forest is an incomparable storehouse of ______ which heats up the planet when it’s released into the atmosphere. A. biodiversity B. water C. carbon D. natural gas 4. Environmentalists are concerned about loss of ______ that will result from destruction of the forest in the Amazon. A. carbon B. biodiversity C. deforestation D. global warming 5. Cellulosic ethanol is a _____ produced from wood, grasses, or the inedible parts of plants. A. biofule B. fossil fule C. nuclear energy D. nuclear weapon