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Carbon Dioxide Oxygen Cycle 5.9D

Quiz by Lisa Baril

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8 questions
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  • Q1
    The illustration best shows--
    Question Image
    where fossils and fossil fuels come from
    how pollution gets into the air
    the exchange of carbon dioxide and oxygen
    the cycling of nutrients
    120s
  • Q2
    Students conducted an experiment to determine how much oxygen was in the lake water. They did the experiment four times. According to the table, which of these trials is most unusual?
    Question Image
    Trial D
    Trial A
    Trial B
    Trial C
    120s
  • Q3
    What causes an increase in the oxygen level in the atmosphere?
    Oxygen inhaled by animals
    Oxygen released by plants
    Oxygen taken in plants
    Oxygen released by animals
    120s
  • Q4
    All of the following add carbon to the atmosphere EXCEPT –
    burning wood
    constructing new highways
    building more factories
    planting more trees
    120s
  • Q5
    The Amazon rainforest produces more than 20% of the Earth's oxygen. During photosynthesis, which gas do plants use to make glucose?
    Question Image
    Helium
    Nitrogen
    Carbon Dioxide
    Oxygen
    120s
  • Q6
    Scientists feel that human activity has affected and possibly altered the natural process of the carbon dioxide-oxygen cycle that nature had previously kept in balance. In recent history, how have humans added more carbon to the carbon dioxide-oxygen cycle?
    By the rapid growth of plant producing farms
    By releasing massive amounts of oxygen
    By burning fossil fuels like coal and oil
    By preventing heat from escaping the Earth
    120s
  • Q7
    Plants use the energy from sunlight to convert carbon dioxide and water into glucose and oxygen. Animals use the oxygen for a process called respiration. Animals use oxygen for--
    Question Image
    breathing
    creating food
    making glucose
    transpiration
    120s
  • Q8
    What do the arrows represent in the picture ?
    Question Image
    The cycling of water through the environment
    The cycling of carbon dioxide and oxygen through the environment
    The cycling of energy through the nonliving parts of an environment
    The cycling of nitrogen gases through the environment
    120s

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