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Ninth Grade (Grade 9) Biogeochemical Cycles Questions

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Grade 9 Biogeochemical Cycles
What is the recycling of chemical elements throughout an ecosystem called?
  1. Energy
  2. Phosphorous Cycle
  3. Biogeochemical Cycle
  4. Tropic Level
Grade 9 Biogeochemical Cycles
The biogeochemical cycles does not include                              .
  1. Human Activity
  2. Geological Processes
  3. Evaporation Cycle
  4. Chemical & Physical Processes
Grade 9 Biogeochemical Cycles
The two main processes of the oxygen-carbon cycle are                                        .
  1. Transpiration and photosynthesis
  2. Photosynthesis and Carbonation
  3. Cellular Respiration and Transpiration
  4. Cellular Respiration and Photosynthesis
Grade 9 Biogeochemical Cycles
What plays an important role in the nitrogen cycle?
  1. Carbon
  2. Water
  3. Bacteria
  4. Photosynthesis
Grade 9 Biogeochemical Cycles
Which biogeochemical cycle is pictured below?
Carbon Cycle With Text Labels
  1. carbon cycle
  2. water cycle
  3. nitrogen cycle
  4. phosphorus cycle
Grade 9 Biogeochemical Cycles
Grade 9 Biogeochemical Cycles
Two ways humans are affecting the carbon cycle are                          .
  1. Eating plants and animals
  2. Driving cars and mining
  3. Burning Fossil fuels
  4. A and C
  5. B and C
  6. All of the above
Grade 9 Biogeochemical Cycles
Grade 9 Biogeochemical Cycles
Grade 9 Biogeochemical Cycles
Which is not one of the four biogeochemical cycles?
  1. Carbon
  2. Oxygen
  3. Phosphorus
  4. Nitrogen
Grade 9 Biogeochemical Cycles
Where are all the elements found?
  1. Biosphere
  2. Ecology
  3. Biochemical
  4. Biogeochemical Cycle
Grade 9 Biogeochemical Cycles
Which biogeochemical cycle is pictured below?
Carbon Cycle With Text Labels
  1. carbon
  2. water
  3. nitrogen
  4. phosphorus
Grade 9 Biogeochemical Cycles
Grade 9 Biogeochemical Cycles
Which process cycles carbon through the environment?
  1. transpiration
  2. sedimentation
  3. habitat restoration
  4. cellular respiration
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