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What is the disadvantage of lead in petrol which used as a fuel I. Modern automobile |
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Answer» Its resources are limited. Like any other natural fossil fuel, petroleum is a limited resource. High demands for energy by the modern society have stressed the CONVENTIONAL sources of oil reserves. The decrease in supply is CLEARLY indicated by the ever increasing cost of petroleum on the market these days. Now, power plants are having a hard time extracting petroleum as reserves are nearly DROUGHT. In fact, studies reveal that almost half of oil reserves (which is about 2 trillion barrels) have been utilized, where only one trillion barrels left. 2. It contributes to environmental pollution. Extracting and burning petroleum generates greenhouse gases that contribute to environmental pollution and, consequently, global warming. This means that degradation of our ecosystems will be made faster if we choose petroleum as our main source of energy. 3. It produces hazardous substances. Production of petroleum, especially refining, produces harmful and toxic materials, including plastic. Take note that oil exists as a mixture of HYDROCARBONS with traces of sulfur and other compounds, which are elements of harmful gases, such as carbon monoxide, and plastic. 4. It is a non-renewable form of energy. Once burned to generate electricity, petroleum cannot be replaced. Depletion of FUELS can occur overtime and can lead to their limited supply. When this happens and demands are high, oil costs will significantly increase, leading economical conflicts between nations. Thus, we should find alternative energy resources, so oil reserves can still continue to supply energy for many years to come. 5. Its transport can cause oil spills. If petroleum spills in bodies of water, adverse effects in marine life are expected. Spills have caused massive ocean pollution, causing the death of thousands of animals and fishes each year. As an example, the BP Oil Spill had caused billions of dollars in losses. |
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