NEET > Biology Class 12 > Understanding Global Warming & its Effect
Understanding Global Warming & its Effect Video Lecture - Biology Class 12 - NEET
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FAQs on Understanding Global Warming & its Effect Video Lecture - Biology Class 12 - NEET
| 1. What is global warming and how does it occur? |  |
Ans. Global warming refers to the long-term increase in Earth's average surface temperature due to the buildup of greenhouse gases in the atmosphere. It occurs when these gases trap heat from the sun, preventing it from escaping back into space.
| 2. What are the main causes of global warming? | |
Ans. The main causes of global warming are the burning of fossil fuels such as coal, oil, and gas, which release carbon dioxide (CO2) and other greenhouse gases into the atmosphere. Deforestation, industrial processes, and agricultural activities also contribute to the increase in greenhouse gas emissions.
| 3. How does global warming affect the environment? | |
Ans. Global warming has various adverse effects on the environment. It leads to the melting of glaciers and polar ice caps, causing a rise in sea levels and an increased risk of coastal flooding. It also disrupts ecosystems, threatens biodiversity, and contributes to extreme weather events such as hurricanes, droughts, and heatwaves.
| 4. What are the consequences of global warming for human health? | |
Ans. Global warming has detrimental effects on human health. It increases the risk of heat-related illnesses and deaths, worsens air quality, and contributes to the spread of infectious diseases. Additionally, changes in precipitation patterns can lead to water scarcity and food insecurity, impacting nutrition and overall well-being.
| 5. How can we mitigate global warming and its effects? | |
Ans. Mitigating global warming requires collective efforts at individual, national, and international levels. It involves reducing greenhouse gas emissions by transitioning to renewable energy sources, improving energy efficiency, promoting sustainable agriculture and forestry practices, and adopting climate-resilient strategies. Additionally, protecting and restoring ecosystems can help sequester carbon dioxide from the atmosphere.
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Sushil Kumar |
Video Description: Understanding Global Warming & its Effect for NEET 2023 is part of Biology Class 12 preparation.
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