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Question
Which of the following has been the cause of global warming?
Options
Industrial revolution
Invention of engine
Deforestation
All of these
MCQ
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Solution
All of these
Explanation:
Global warming is caused by activities starting from the industrial revolution, including the invention and widespread use of engines, and deforestation. These activities increase the release of greenhouse gases like carbon dioxide into the atmosphere by burning fossil fuels (coal, petroleum, natural gas) and cutting down forests that absorb CO₂. This excess greenhouse gas traps heat in the Earth’s atmosphere, leading to global warming and climate change. Hence, all these factors contribute to the phenomenon of global warming.
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