What is global warming in PPT?
Global warming is the increase in average temperature of the earths near surface air and oceans. Most of the observed temperature increase is caused by increased concentration of greenhouse gases Major gases water vapor – 36-70% carbon dioxide- 9 – 26 % methane – 4- 9 % ozone -3–7% GREEN HOUSE EFFECT.
What is global warming definition PDF?
Global Warming is defined as the increase of the average temperature on Earth. As the Earth is getting hotter, disasters like hurricanes, droughts and floods are getting more frequent.
What are the 10 causes of global warming?
Top 10 Causes Of Global Warming
- Oil and Gas. Oil and Gas is used all the time in almost every industry.
- Deforestation. Deforestation is the clearance of woodland and forest, this is either done for the wood or to create space for farms or ranches.
- Waste.
- Power Plants.
- Oil Drilling.
- Transport and Vehicles.
- Consumerism.
- Farming.
What is global warming in simple words?
“Global warming is a gradual increase in the earth’s temperature generally due to the greenhouse effect caused by increased levels of carbon dioxide, CFCs, and other pollutants.
What is global warming in 8th class?
Answer: Global warming is the unnatural rise in the temperature of the earth’s surface due to increased amounts of green house gases in the earth’s atmosphere.
What are the 5 effects of global warming?
Are the Effects of Global Warming Really that Bad?
- More frequent and severe weather. Higher temperatures are worsening many types of disasters, including storms, heat waves, floods, and droughts.
- Higher death rates.
- Dirtier air.
- Higher wildlife extinction rates.
- More acidic oceans.
- Higher sea levels.
What are 5 sentences global warming?
1) Global warming is the excess trapping of the sun’s heat by the earth’s atmosphere. 2) Global Warming will bring disaster for us. 3) The regulation of Greenhouse gas emission is important to control global warming. 4) Global warming causes ocean acidification, threatening fisheries and other species.
What are the 5 causes of global warming?
5 Causes of Global Warming
- Greenhouse Gases Are the Main Reasons for Global Warming.
- Cause #1: Variations in the Sun’s Intensity.
- Cause #2: Industrial Activity.
- Cause #3: Agricultural Activity.
- Cause #4: Deforestation.
- Cause #5: Earth’s Own Feedback Loop.