CO2 is an important trace gas in Earth's atmosphere. It is an integral part of the carbon cycle, a biogeochemical cycle in which carbon is exchanged between the Earth's oceans, soil, rocks and the biosphere. Plants and other photoautotrophs use solar energy to produce carbohydrate from atmospheric carbon dioxide and water by photosynthesis. Almost all other organisms depend on carbohydrate derived from photosynthesis as their primary source of energy and carbon compounds.
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To help understand trends, identify patterns, or assist in explaining a particular phenomenon.
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Although Mumbai is a relevantly safe city, it has a crime filled underworld. With organised crime, smuggling, black markets, and kidnapping the rich for vast ransoms. Overcrowded trains and roads, pollution, poor sanitation and overpopulation in slums are also common urban problems in Mumbai.
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<em>hope it helps!!</em></h2>
Your answer is <span>B. Australia.
Hope this helps :)</span>
