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sulphur dioxide.
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∙ 12y ago
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Why can't humans just make more fossil fuels like coal?
Because it takes millions of years of high temperature and pressure to turn vegetation and animal matter into fossil fuels (coal, oil and natural gas). A second reason is, they emit too much greenhouse gases.
How much pollution does methane produce?
According to the US Environmental Protection Agency, over 60% of methane emissions come from human activities. The remaining 40% is emitted from other sources such as wetlands, where bacteria decomposes organic materials in anaerobic conditions (oxygen free). Other sources of methane release include termites, oceans, sediments, volcanoes, and wildfires. Carbon dioxide is the main contributor to greenhouse gases, and makes up about two thirds of greenhouse gases produced by human activities. However, weight for weight the contribution of methane to greenhouse gases is comparatively 21 times greater than carbon dioxide over a 100 year period. So although methane 'pollution' is relatively low it is amongst the worst of greenhouse gases.
Uranium fuel pellets used in nuclear power station produce far more energy per kilogram than the energy produced by burning coal How much coal has to be burnt to produce the same amount of energy?
1 kg uranium 235 = 3 000 t coal
How much coal has to be burnt to produce the same amount of energy as it is generated by a kilogram of uranium fuel pellets?
7 g of 235U is equivalent to approx. 20 t coal. For 1 kg of 235U - approx. 3 000 t coal.
How much coal does Utah produce per year?
Utah made about 24.5 million tons of coal in 2005, which was a 12.5% increase in production from 2004. In 2009, it was just under 22 million tons.
What greenhouse gases do in the atmosphere?
Greenhouse gases keep the earth warm.Too much greenhouse gas is causing global warming.
Name two greenhouse gases that you produce too much of?
Carbon dioxide (CO2): We produce too much CO2 by burning fossil fuels (coal to make electricity, and oil for heating and transport.Methane (CH4): We produce too much CH4 by raising cattle. Cattle belching and manure release the gas, twenty-one times more powerful than CO2.
How are greenhouses gases helpful?
Greenhouse gases are helpful because they keep the earth warm enough for life. Too much greenhouse gases warm the earth up too much.
How does conserving energy stop greenhouse gases from getting into the atmosphere?
Most energy (electricity and transport) comes from burning fossil fuels (coal, oil and natural gas). When fossil fuels burn, they emit carbon dioxide, a greenhouse gas, into the atmosphere. So if you save energy, then not so much fossil fuel is burnt and less greenhouse gases go into the air.
Why the heck is there global warming?
First of all, people are burning oil and coal. This puts carbon dioxide into the greenhouse gases in the air, much more than normal. Second, we cut down too many trees so they don't suck so much carbon dioxide out of the air. The greenhouse gases catch more and more of the sun's reflected heat, leading to global warming.
What are green house gases or atmospheric gases?
Atmospheric gases trap heat so that Earth is not a frozen wasteland. Greenhouse gases is the term used to refer to heat-trapping gases such as carbon dioxide and methane because these gaseous components of the atmosphere make Earth function like a greenhouse-heat from the Sun that is reflected off the Earth is reflected back up to the atmosphere and the greenhouse gases trap some of this heat. Understand that greenhouse gases are necessary to retain some of the Sun's heat, but they are bad in excess; to much carbon dioxide( a greenhouse gas) contributes to global warming-too much heat from the Sun is trapped by the atmosphere so that temperatures on the surface rise.
Where do greenhouses gases trap energy?
Greenhouse gases are very light but they change how sunlight is reflected back out into space in that greenhouse gases do not allow as much sunlight to be reflected. This increases the amount of energy held within the atmosphere and warms the planet
Are greenhouse gases helpful?
Greenhouse gases are helpful because they keep the earth warm enough for life. They are essential.Too much greenhouse gases are unhelpful because they make the earth too hot. Global warming is causing climate change which may make the world very uncomfortable for our children and grandchildren.
How much greenhouse gases does a television emit in a year?
The actual television sets emit no greenhouse gases at all. The connections you could make between a TV set and greenhouse gases would be the emissions during the manufacturing process, and the greenhouse gases emitted as the powerplant generates electricity to run the device. The amount depends on the size of the set and how long it is running. If your TV is powered by electricity from nuclear or renewable sources, then it causes no greenhouse gases at all.
What are the GreenHouse Gas emissions in Antarctica?
Truly, there aren't enough machines producing greenhouse gases on the Antarctic continent to have much effect at all.
What are greenhouse gases used for?
Normally greenhouse gases are bad, but without it, Earth would have no way of holding in heat and our planet would be below 0 degrees. We're just putting out too much.
How much surface area of the earth is covered by greenhouse gases?
Greenhouse gases, particularly carbon dioxide, are part of the Earth's atmosphere; as such, they cover all of the Earth's surface. The whole world is covered by atmosphere.
