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Which of the above add carbon dioxide to the carbon cycle on Earth?
  • a)
    Photosynthesis
  • b)
    Respiration
  • c)
    Decay of organic matter
  • d)
    Volcanic action
  • e)
    ​None of the above/More than one of the above
Correct answer is option 'E'. Can you explain this answer?
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Which of the above add carbon dioxide to the carbon cycle on Earth?a)P...
Carbon Dioxide:
  • ​Carbon is a minor constituent of the atmosphere as compared to Oxygen and Nitrogen. However, without Carbon dioxide life, cannot exist.
  • Carbon is present in the atmosphere, mainly in the form of Carbon Dioxide.
  • The carbon cycle involves a continuous exchange of carbon between the atmosphere and organisms.
  • Photosynthesis: It is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's metabolic activities. This chemical energy is stored in Carbohydrates which are synthesized from Carbon dioxide and water. Oxygen is also released as a waste product. Hence statement 1 is incorrect.
  • Respiration: It is the process of producing energy in organisms by combining carbohydrates with Oxygen, releases Carbon dioxide as a byproduct. Hence statement 2 is correct.
  • The decay of Organic matter: In the carbon cycle, decomposers break down dead material from plants and organisms and release Carbon Dioxide in nature. This chemical element is the physical basis of all life on Earth. After death, decomposition releases carbon into the air, soil, and water. Hence statement 3 is correct.
  • Volcanic action: The solid Earth contains a huge quantity of carbon, far more than is present in the atmosphere or oceans. Some of this carbon is slowly released from the rocks in the form of Carbon Dioxide, through vents at volcanoes and hot springs. Volcanic emissions are a small but important part of the global carbon cycle. Hence statement 4 is correct.
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Community Answer
Which of the above add carbon dioxide to the carbon cycle on Earth?a)P...
Carbon Dioxide:
  • ​Carbon is a minor constituent of the atmosphere as compared to Oxygen and Nitrogen. However, without Carbon dioxide life, cannot exist.
  • Carbon is present in the atmosphere, mainly in the form of Carbon Dioxide.
  • The carbon cycle involves a continuous exchange of carbon between the atmosphere and organisms.
  • Photosynthesis: It is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's metabolic activities. This chemical energy is stored in Carbohydrates which are synthesized from Carbon dioxide and water. Oxygen is also released as a waste product. Hence statement 1 is incorrect.
  • Respiration: It is the process of producing energy in organisms by combining carbohydrates with Oxygen, releases Carbon dioxide as a byproduct. Hence statement 2 is correct.
  • The decay of Organic matter: In the carbon cycle, decomposers break down dead material from plants and organisms and release Carbon Dioxide in nature. This chemical element is the physical basis of all life on Earth. After death, decomposition releases carbon into the air, soil, and water. Hence statement 3 is correct.
  • Volcanic action: The solid Earth contains a huge quantity of carbon, far more than is present in the atmosphere or oceans. Some of this carbon is slowly released from the rocks in the form of Carbon Dioxide, through vents at volcanoes and hot springs. Volcanic emissions are a small but important part of the global carbon cycle. Hence statement 4 is correct.
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Which of the above add carbon dioxide to the carbon cycle on Earth?a)Photosynthesisb)Respirationc)Decay of organic matterd)Volcanic actione)None of the above/More than one of the aboveCorrect answer is option 'E'. Can you explain this answer?
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