5. Discuss the causes and effects of global warming.
6. Describe the causes responsible for increase in the amount of carbon dioxide in the atmosphere .
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Answers
Answer:
Global warming is expected to have far-reaching, long-lasting and, in many cases, devastating consequences for planet Earth.
Global warming, the gradual heating of Earth's surface, oceans and atmosphere, is caused by human activity, primarily the burning of fossil fuels that pump carbon dioxide (CO2), methane and other greenhouse gases into the atmosphere.
Despite political controversy about climate change, a major report released Sept. 27, 2013, by the Intergovernmental Panel on Climate Change (IPCC) stated that scientists are more certain than everof the link between human activities and global warming. More than 197 international scientific organizations agree that global warming is real and has been caused by human action.
Already, global warming is having a measurable effect on the planet.
"We can observe this happening in real time in many places. Ice is melting in both polar ice caps and mountain glaciers. Lakes around the world, including Lake Superior, are warming rapidly — in some cases faster than the surrounding environment. Animals are changing migration patterns and plants are changing the dates of activity," such as trees budding their leaves earlier in the spring and dropping them later in the fall, Josef Werne, a professor of geology and environmental science at the University of Pittsburgh, told Live Science.
causes of global warming
- pollution
- establishing of big factories
- amount of methane
and carbon dioxide cutting down of trees
effects of global warming
- less rainfall
- more pollution
- decrease in level of oxygen
the causes responsible for the increase in amount of carbon dioxide in atmosphere are more global warming cutting down of the trees which reduces the level of oxygen automatically carbon dioxide will increase then another cause is increase in pollution.