
Carbon Dioxide Oxygen Cycle 5.9D
Quiz by Lisa Baril
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8 questions
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- Q1The illustration best shows--where fossils and fossil fuels come fromhow pollution gets into the airthe exchange of carbon dioxide and oxygenthe cycling of nutrients120s
- Q2Students 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?Trial DTrial ATrial BTrial C120s
- Q3What causes an increase in the oxygen level in the atmosphere?Oxygen inhaled by animalsOxygen released by plantsOxygen taken in plantsOxygen released by animals120s
- Q4All of the following add carbon to the atmosphere EXCEPT –burning woodconstructing new highwaysbuilding more factoriesplanting more trees120s
- Q5The Amazon rainforest produces more than 20% of the Earth's oxygen. During photosynthesis, which gas do plants use to make glucose?HeliumNitrogenCarbon DioxideOxygen120s
- Q6Scientists 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 farmsBy releasing massive amounts of oxygenBy burning fossil fuels like coal and oilBy preventing heat from escaping the Earth120s
- Q7Plants 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--breathingcreating foodmaking glucosetranspiration120s
- Q8What do the arrows represent in the picture ?The cycling of water through the environmentThe cycling of carbon dioxide and oxygen through the environmentThe cycling of energy through the nonliving parts of an environmentThe cycling of nitrogen gases through the environment120s
