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\*\*1. What is the primary greenhouse gas emitted by the transportation sector that contributes to climate change?\*\* a\) Carbon dioxide (CO2) b\) Methane (CH4) c\) Nitrous oxide (N2O) d\) Ozone (O3) \*\*Answer:\*\* a) Carbon dioxide (CO2) \*\*2. Which of the following transportation modes is...

\*\*1. What is the primary greenhouse gas emitted by the transportation sector that contributes to climate change?\*\* a\) Carbon dioxide (CO2) b\) Methane (CH4) c\) Nitrous oxide (N2O) d\) Ozone (O3) \*\*Answer:\*\* a) Carbon dioxide (CO2) \*\*2. Which of the following transportation modes is generally considered to have the lowest carbon footprint per passenger?\*\* a\) Air travel b\) Car travel c\) Bus travel d\) Train travel \*\*Answer:\*\* d) Train travel \*\*6. How do electric vehicles (EVs) contribute to reducing greenhouse gas emissions from the transportation sector?\*\* a\) By using biofuels b\) By increasing fuel efficiency c\) By reducing dependence on fossil fuels d\) By promoting public transport \*\*Answer:\*\* c) By reducing dependence on fossil fuels \*\*9. What role do non-motorized transport modes (such as walking and cycling) play in reducing greenhouse gas emissions from the transportation sector?\*\* a\) They increase emissions by promoting physical activity b\) They have no significant impact on emissions c\) They reduce emissions by replacing motorized transport d\) They reduce emissions by reducing levels of infrastructure \*\*Answer:\*\* c) They reduce emissions by replacing motorized transport \*\*10. Which of the following is a common challenge in transitioning to low-carbon transportation systems?\*\* a\) High initial investment costs b\) Lack of public awareness c\) Technological limitations d\) All of the above \*\*Answer:\*\* d) All of the above\*\* \*\*1. What is the primary greenhouse gas emitted by waste in landfills that contributes to climate change?\*\* a\) Carbon dioxide (CO2) b\) Methane (CH4) c\) Nitrous oxide (N2O) d\) Ozone (O3) \*\*Answer:\*\* b) Methane (CH4) \*\*2. How does the global warming potential of methane from waste compare to carbon dioxide?\*\* a\) Methane has the same warming potential as CO2 b\) Methane has 21 times the warming potential of CO2 c\) Methane has 80 times the warming potential of CO2 in the short term d\) Methane has 310 times the warming potential of CO2 \*\*Answer:\*\* c) Methane has 80 times the warming potential of CO2 in the short term \*\*6. What is the estimated contribution of the waste sector to global methane emissions?\*\* a\) 5% b\) 10% c\) 20% d\) 30% \*\*Answer:\*\* c) 20% \*\*4. What are the key strategies identified for reducing greenhouse gas emissions from waste management?\*\* a\) Increasing landfill capacity and incineration b\) Effective collection and sorting of recyclable materials and food waste, moving open landfills into managed treatment c\) Reducing waste transportation and increasing waste-to-energy facilities d\) Banning single-use items \*\*Answer:\*\* b) Effective collection and sorting of recyclable materials and food waste, moving open landfills into managed treatment \*\*5. How have greenhouse gas emissions from waste in the European Union changed between 1995 and 2017?\*\* a\) They have increased by 20% b\) They have remained stable c\) They have fallen by 10% d\) They have fallen by 42% \*\*Answer:\*\* d) They have fallen by 42% \*\*9. How does the practice of landfilling contribute to greenhouse gas emissions from the waste sector?\*\* a\) It accounts for 10% of total GHG emissions b\) It accounts for 50% of total GHG emissions c\) It accounts for 90% of total GHG emissions d\) It has no significant impact on GHG emissions \*\*Answer:\*\* c) It accounts for 90% of total GHG emissions\[4\].