Question

1) What is Global Warming ?
2) What are the causes of Global Warming ?​

Answer 1

Answer:

global warming means heat of earth

it is coused by green house effect

Answer 2

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What is Global Warming ?

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1. The increase in Earth's average temperature over a long period of time. A gas released by the burning of coal, natural gas, oil, and wood that traps heat in the atmosphere.
2. Climate change includes both the global warming driven by human emissions of greenhouse gases, and the resulting large-scale shifts in weather patterns.
3. Global warming is the unusually rapid increase in Earth's average surface temperature over the past century primarily due to the greenhouse gases released as people burn fossil fuels.

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What are the causes of the Global Warming ?

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1. Global warming occurs when carbon dioxide (CO2) and other air pollutants and greenhouse gases collect in the atmosphere and absorb sunlight and solar radiation that have bounced off the earth's surface.
2. It is caused by increased concentrations of greenhouse gases in the atmosphere, mainly from human activities such as burning fossil fuels, deforestation and farming.
3. Farming : Industrial farming and ranching releases huge levels of methane and carbon dioxide into the atmosphere. Farming contributes forty percent of the methane and twenty percent of the carbon dioxide to worldwide emissions.
4. Deforestation : Deforestation to use wood for building materials, paper and fuel increases global warming in two ways -- the release of carbon dioxide during the deforestation process and the reduction in the amount of carbon dioxide that forests can capture.
5. Fertilizers : The use of nitrogen-rich fertilizers increases the amount of heat cropland can store. Nitrogen oxides can trap up to 300 times more heat than carbon dioxide. Sixty-two percent of nitrous oxide released comes from agricultural byproducts.
6. Oil Drilling : Burn-off from the oil drilling industry impacts the carbon dioxide released into the atmosphere. Fossil fuel retrieval, processing and distribution accounts for roughly eight percent of carbon dioxide and thirty percent of methane pollution.
7. Natural Gas Drilling : Touted as a cleaner fuel source, natural gas drilling causes massive air pollution in states like Wyoming; the hydraulic fracturing technique used to extract natural gas from shale deposits pollutes ground water sources as well.