Which of these is the main greenhouse gas? carbon dioxide, methane, CFCs carbon dioxide
The difference in average global temperature between an Ice Age and a warm period is approximately 1 °C, 6 °C, 60 °C 6 °C
The greenhouse gas generated by the decomposition of waste is carbon dioxide, methane, CFCs methane
The burning of fossil fuels is the prime cause of increased greenhouse gases in the atmosphere. True, False True
The only greenhouse gas that is NOT naturally present in the atmosphere is carbon dioxide, methane, CFCs CFCs
Which greenhouse gas was the first to be regulated worldwide? methane, CFCs, nitrous oxide CFCs
Planting trees will increase the amount of CO2 in the atmosphere. True, False False
The oceans show a temperature increase before the land or air. True, False False
Which country currently emits the most greenhouse gases? India, China, United States, Canada China
Which of these forms of transportation is the most energy efficient? car, bus, train, plane train
How long does it take for carbon dioxide in the atmosphere to disperse? 1 year, 10 years, 100 years 100 years
Earth Hour, when people switch off their lights to show they are concerned about climate change, is during the last Saturday of January, March, April March
During Earth Hour people show their concern for climate change by turning off lights, organizing motorcades, wearing green turning off lights
Which of these gases depletes the Earth's ozone layer? carbon dioxide, methane, CFCs CFCs
Forests, trees and plants absorb carbon dioxide, produce carbon dioxide, are carbon neutral absorb carbon dioxide
Burning fossil fuels such as coal and gasoline absorbs carbon dioxide, produces carbon dioxide, is carbon neutral produces carbon dioxide
During Earth Hour many famous landmarks around the world fall silent, go dark, set off fireworks go dark
Greenhouse gases in the Earth's atmosphere, such as carbon dioxide and water vapor, trap the ozone layer, vehicle emissions, the sun's heat the sun's heat
Increased amounts of carbon dioxide in the atmosphere cause the Earth's temperature to rise, decrease the amount of oxygen, increase solar storms cause the Earth's temperature to rise
Global warming is primarily caused by stronger solar storms, shrinking and receding glaciers, the burning of fossil fuels the burning of fossil fuels
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