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A natural phenomenon that becomes harmful due to pollution is _____________. 
  • a)
    global warming
  • b)
    ecological balance
  • c)
    greenhouse effect
  • d)
    desertification
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A natural phenomenon that becomes harmful due to pollution is ________...
A natural phenomenon that becomes harmful due to pollution is greenhouse effect.The greenhouse effect is the process by which radiation from a planet's atmosphere warms the planet's surface to a temperature above what it would be without its atmosphere.Due to Pollution, Carbon dioxide (CO2) and other greenhouse gases.
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A natural phenomenon that becomes harmful due to pollution is ________...
The correct answer is option C) greenhouse effect.

The Greenhouse Effect:

The greenhouse effect is a natural phenomenon that occurs when certain gases in the Earth's atmosphere trap heat from the sun and prevent it from escaping back into space. This process is essential for maintaining the Earth's temperature within a range that supports life. However, when the concentration of these greenhouse gases increases due to pollution, it becomes harmful.

Explanation:

1. Definition of the Greenhouse Effect:
- The greenhouse effect refers to the process by which certain gases, such as carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O), trap heat in the Earth's atmosphere.
- These gases act like a blanket, allowing sunlight to enter the atmosphere but preventing some of the heat from escaping back into space.

2. Natural Greenhouse Effect:
- The natural greenhouse effect is crucial for maintaining the Earth's average temperature at around 15°C (59°F), which is necessary for supporting life.
- Without this natural effect, the Earth would be too cold to sustain life as we know it.

3. Human Activities and Pollution:
- Human activities, such as the burning of fossil fuels (coal, oil, and natural gas), deforestation, and industrial processes, have significantly increased the concentration of greenhouse gases in the atmosphere.
- These activities release large amounts of CO2 and other greenhouse gases, contributing to the enhanced greenhouse effect.

4. Harmful Effects of Enhanced Greenhouse Effect:
- The enhanced greenhouse effect, caused by human activities and pollution, leads to global warming.
- Global warming refers to the long-term increase in Earth's average temperature, which has numerous harmful consequences:
- Melting of polar ice caps and glaciers, leading to rising sea levels and coastal flooding.
- Changes in weather patterns, including more frequent and intense heatwaves, droughts, storms, and hurricanes.
- Disruption of ecosystems, impacting biodiversity and causing the extinction of various plant and animal species.
- Negative effects on agriculture, food production, and water resources, leading to food shortages and water scarcity in many regions.

Conclusion:

The greenhouse effect is a natural phenomenon that becomes harmful due to pollution. Human activities and the release of greenhouse gases have intensified the greenhouse effect, leading to global warming and its associated negative impacts on the environment and human society. It is crucial to reduce pollution and mitigate greenhouse gas emissions to minimize the harmful effects of the enhanced greenhouse effect.
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Read the following passage carefully and answer the question that follow :- Did you know that two Hollywood blockbusters. "Water World" and "Day after Tomorrow" were based on aspects of climate change (with a little dramatic exaggeration, of cours e)? They portrayed how recklessindustrial activity causes global warming which in turn has disastrous consequescens. Climate change is very real. Houses have been destroyed by typhoons and freak storms. Thousands of Europeans died in a heat wave two years ago. Melting ice caps, dying coral reefs and permanent flooeing of severla coastal zones are imminent. People in the Arctic regions have seen unusal birds, and animals in their locality that are normally only found in warmer climates.When fossil fules like oil, coal and natural gas are burnt, the carbon dioxide generated envelopsthe earth and traps heat inside the planet's atmosphere just like a greenhouse traps heat inside itself. Coal-based thermal power plants are the largest source of carbon dioxide emissions. Petrol, diesel and natural gas based transport, CFC gases, coolants in air conditioners, fridges and air freshenor sprays also contribute to the greenhouse effect. Today,scientists warn that if average temperatures of the plannet rise by 2 Celsius terrible things could happen. The ice sheet over Greenland could melt entirely. The Amazon rain forest ecosystem could get completely destroyed. Tens of millions of people could be deprived of even the most basic food, millions could have their homesflooded and many more will face watershortages. Governments ofseverla industrialised countries have signe the Kyoto Protocol, an agreement to reduce their emissions of greehouse gases in the coming years. Unfortunately the U. S., the biggest emitter, responsible for nearly a quarter of the world's carbon dioxide emissions (though it has only four percent of the world's population) has refused to raify the Kyoto Protocol! Global fossil fuel reserves are diminishing but we need to do something soon. Governments need to stop giving easy loans and benefits to fossil fuel industies and start funding technologies that don't cause global warming. Safer and cleanersources of energy like windmills, energy from windmills, energy from biomass. wave energy fromseashores and of course solar energy are becoming increasingly popular. It is up to governmentsto acknowledge that these are viable profitable sources of energy, and increase investments in clean energy A. On the basis of your reading of the above passage make notes on it using heading and sub. headings also use recognizable abbreviation wherever necesssary (Minimum 4) Supply a suitable Title (5 Marks) B. Write a summary of the above passage in your own words. Related: Learn Note-making - Heading, Sub Heading, Points, Abbreviations?

Read the passage carefully:1. Climate change is one of the biggest global problems and almost every country is affected by it. The main cause of climate change is the emission of greenhouse gases such as carbon dioxide. The concentration of carbon dioxide has increased mainly due to the burning of fossil fuels like oil and coal. The average temperature of the earth has risen by more than 1° Celsius as compared to the pre-industrial era, 2016 being the warmest year recorded. This has caused the shrinkage of snow cover in mountains like the Alps, Himalayas, Andes, Rockies, Alaska and Africa. NASA’s experiments have shown a massive loss of ice cover in Greenland and Antarctica. Particularly Greenland has lost approximately 286 billion tons of ice per year since 1993. In the last century, the seawater level has raised by almost 20 centimetres. As oceans absorb carbon dioxide from the atmosphere, its pH level decreases. This phenomenon is called ocean acidification. It is affecting the coral reef ecosystem. Climate change has caused erratic precipitation patterns all over the world.2. Reducing the emission of greenhouse gases can limit climate change. This can be achieved by reducing consumption of fossil fuels and incorporating renewable resources such as solar energy, hydropower, wind energy, etc., for power generation. Climate change will require modification of key services and infrastructure. Climate action can derive economic benefits to the tune of 26 trillion and generate more than 18 million jobs in the sustainable energy sector alone by 2030.3. The Government of India launched the National Action Plan on Climate Change on 30th June 2008; focusing on solar power, sustainable agriculture, energy efficiency, water, etc. The Government has set a target of producing 100 GW of solar capacity by 2022. This will abate nearly 190 million tons of CO2 over its life cycle. More such steps, such as the development of public transportation are needed to be taken up by the government.On the basis of your reading of the passage given above, answer of the following questions:Q.Emission of greenhouse gases causes which of the following phenomenon?

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A natural phenomenon that becomes harmful due to pollution is _____________.a)global warmingb)ecological balancec)greenhouse effectd)desertificationCorrect answer is option 'C'. Can you explain this answer?
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