pollution
Cards (36)
- What is the approximate percentage of nitrogen in the atmosphere?
- What is the approximate percentage of oxygen in the atmosphere?
- What gases are present in small proportions in the atmosphere?
- How did algae and plants contribute to the oxygen in the atmosphere?
- What is the photosynthesis equation that represents oxygen production?
- When did algae first produce oxygen?
- What happened to the percentage of oxygen over the next billion years?
- What is one theory about the Earth's early atmosphere?
- What gases may have been present in the early atmosphere?
- How did carbon dioxide levels decrease in the atmosphere?
- What is limestone primarily composed of?
- How is coal formed?
- What produces crude oil and natural gas?
- What are two sources of nitrogen in the atmosphere?
- What human activities contribute to greenhouse gas increases?
- What is the carbon footprint?
- What is one action to reduce the carbon footprint?
- What is the greenhouse effect?
- What is the process of the greenhouse effect?
- What gases are considered greenhouse gases?
- What correlates with the increase in carbon dioxide over the last 100 years?
- What is a major cause of climate change?
- What are potential effects of global climate change?
- What are some problems of reducing the carbon footprint?
- What is complete combustion of hydrocarbons?
- What is the equation for complete combustion of methane?
- How are nitrogen oxides produced?
- What happens during incomplete combustion?
- What is carbon monoxide?
- What is sulfur dioxide produced from?
- What pollutants are released during combustion?
- What health problems can sulfur dioxide and nitrogen oxides cause?
- What is acid rain caused by?
- What is the advantage of complete combustion?
- What is the nature of combustion of hydrocarbon fuels?
- What happens to carbon and hydrogen during combustion?