3. Coal contains the elements carbon,hydrogen, nitrogen and sulphur. What products are formed when coal is burned?
4. Why do some fuels have a higher
calorific value?
5. What are the characteristics of LPG that make it a better fuel than wood coal or kerosene?
6. Why are wood and coal inefficient fuels?
7. What is global warming?
8. Why do we need to reduce our
carbon footprint?
9. State five things that we can do to reduce our carbon footprint.
10. Modern lifestyles produce a greater carbon footprint. Do you agree? Why or why not?
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Answers
ANSWERS
3. coal is burned in power stations to release the energy needed by industry. Carbon dioxide, water and sulfur dioxide are produced when this coal is burned.
4. The presence of carbon in a fuel molecule may lead to a high energy density (high heating value per unit of volume). Furthermore, as seen in Table 3.1, the presence of hydrogen in a fuel molecule may lead to a high HHV per unit of mass.
5. .....
6. Sorry kindly refer your text you may get your answer.
7. gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, CFCs, and other pollutants.
8. Reducing Greenhouse Gas Emissions Could Prevent Premature Deaths. ... Reducing the flow of the greenhouse gases that spur global warming could prevent up to 3 million premature deaths annually by the year 2100, a new study suggests. Greenhouse gases such as carbon dioxide trap heat, helping warm the globe.
9. five ways to reduce your carbon footprint.
five ways to reduce your carbon footprint.learn the 5 R's: refuse, reduce, reuse, rot, recycle: Going zero waste is a great step towards combating climate change. ...
five ways to reduce your carbon footprint.learn the 5 R's: refuse, reduce, reuse, rot, recycle: Going zero waste is a great step towards combating climate change. ...bike more and drive less: ...
five ways to reduce your carbon footprint.learn the 5 R's: refuse, reduce, reuse, rot, recycle: Going zero waste is a great step towards combating climate change. ...bike more and drive less: ...conserve water and protect our waterways: ...
five ways to reduce your carbon footprint.learn the 5 R's: refuse, reduce, reuse, rot, recycle: Going zero waste is a great step towards combating climate change. ...bike more and drive less: ...conserve water and protect our waterways: ...eat seasonally, locally, and more plants: ...
five ways to reduce your carbon footprint.learn the 5 R's: refuse, reduce, reuse, rot, recycle: Going zero waste is a great step towards combating climate change. ...bike more and drive less: ...conserve water and protect our waterways: ...eat seasonally, locally, and more plants: ...switch to sustainable, clean energy:
10. ... sorry..... If you read it you may get it surely sorry
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Answer:
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