Carbon and Nitrogen cycle

The carbon cycle, Glabal warming, the nitrogen cycle and nitrogen fertalisers. 

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1. What is it called when decomposers secrete enzymes?

  • Extra cellular digestion
  • Intra cellular digestion
  • Enzyme action
  • Hydrolysis
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Other questions in this quiz

2. What type of plant has nitrogen fixing bacteria on the roots?

  • Long rooted
  • Legumes
  • Trees

3. True or false. Denitrifying bacteria are aerobic?

  • False
  • True

4. How many green house gasses are there?

  • 5
  • 1
  • 2
  • 3

5. Which of these isn't extra co2 addition by humans?

  • Respiration
  • Combustion
  • Deforestation

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