Biology 5090 · O Level · Effects of humans on ecosystems

Effects of humans on ecosystems — practice question

Some consequences of deforestation are given below. 1 reduced uptake of carbon dioxide from the atmosphere 2 desertification 3 carbon released from soil and rotting wood through the action of microorganisms 4 dry soil 5 flooding, landslides and soil erosion Which of these consequences help to cause climate change?

  • A1 and 3
  • B1 and 5
  • C2 and 3
  • D2 and 4

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